Research methods



Aims:The aims of the psychology?course at SL and at HL are to:develop an understanding of the biological, cognitive and sociocultural factors affecting mental processes and behaviorapply an understanding of the biological, cognitive and sociocultural factors affecting mental processes and behavior to at least one applied area of studyunderstand diverse methods of inquiryunderstand the importance of ethical practice in psychological research in general and observe ethical practice in their own inquiriesensure that ethical practices are upheld in all psychological inquiry and discussiondevelop an awareness of how psychological research can be applied to address real-world problems and promote positive change.Assessment Objectives:By the end of the psychology course at SL or at HL, students will be expected to demonstrate the following.Knowledge and comprehension of specified contentDemonstrate knowledge and comprehension of key terms and concepts in psychology.Demonstrate knowledge and comprehension of a range of psychological theories and research studies.Demonstrate knowledge and comprehension of the biological, cognitive and sociocultural approaches to mental processes and behavior.Demonstrate knowledge and comprehension of research methods used in psychology.Application and analysisDemonstrate an ability to use examples of psychological research and psychological concepts to formulate an argument in response to a specific question.Demonstrate application and analysis of a range of psychological theories and research studies.Demonstrate application and analysis of the knowledge relevant to areas of applied psychology.At HL only, analyze qualitative and quantitative research in psychology.Synthesis and evaluationEvaluate the contribution of psychological theories to understanding human psychology.Evaluate the contribution of research to understanding human psychology.Evaluate the contribution of the theories and research in areas of applied psychology.At HL only, evaluate research scenarios from a methodological and ethical perspective.Selection and use of skills appropriate to psychologyDemonstrate the acquisition of skills required for experimental design, data collection and presentation, data analysis and the evaluation of a simple experiment while demonstrating ethical practice.Work in a group to design a method for a simple experimental investigation, organize the investigation and record the required data for a simple experiment.Write a report of a simple experiment.Syllabus outlineSyllabus componentTeaching hoursSLHLCoreBiological approach to understanding behaviourCognitive approach to understanding behaviourSociocultural approach to understanding behaviour90120Approaches to researching behaviour2060OptionsAbnormal psychologyDevelopmental psychologyHealth psychologyPsychology of human relationships2040Internal assessmentExperimental study2020Total teaching hours150240Approaches to researching behaviorThe study of psychology is evidence based and has evolved through a variety of different research approaches, both qualitative and quantitative. As students are exposed to research it is important that they understand the advantages and limitations of different approaches in order to critically evaluate the contribution of research studies to the understanding of human behavior. Asking questions, challenging assumptions and critically assessing the methods used by researchers are integral skills in the study of psychology. These skills are assessed by criterion D (critical thinking) for essay responses in paper 1 section B and paper 2, and they apply to both SL and HL students.An understanding of approaches to research is also important for the internal assessment task in order to design, conduct, analyze, draw conclusions and evaluate an experiment. This applies to both SL and HL students.Only HL students will be directly assessed on their understanding of approaches to research in paper 3.Research methodsEssentially there are two broad categories of research—experimental and non-experimental—that use qualitative and quantitative approaches. There is no hierarchy to the approaches. The method chosen will depend on the aims and objectives of an investigation. No method is perfect in itself and all methods have their individual strengths and limitations. A researcher will choose the method or methods that are most suitable for a specific research study.Approaches to research in psychology may be reductionist or holistic. As behavior is often the result of complex social, cultural, cognitive as well as biological interactions, a combination of approaches to researching behavior is not only inevitable, but desirable.Research methodsQualitativeQuantitativeCase studyNaturalistic observationInterviewsunstructuredsemi-structuredfocus-groupsExperimentsField experimentsQuasi-experimentsNatural experimentsCorrelational researchSurveysThe following are elements of researching behavior and will be dependent on the research method chosen.Research designsMatched pair designRandomly assign one of a pair to either the control or the experimental group. Researchers may match individuals on specific characteristics, such as ethnicity or age. Twin studies are an example of a matched pair design.Independent samples/independent measures designUses two separate groups of participants. For example, one group of participants is assigned to the control group while the other group is assigned to the experimental or treatment condition.Repeated measures designExposes participants to each condition making up the Independent Variable.HypothesisA hypothesis is a statement that is testable and falsifiable based on the results of an experiment or observation. The null hypothesis (Ho) is a statement that the treatment has no effect while the alternative hypothesis (H1) is a statement that the treatment has an effect on the Dependent Variable. One of the hypotheses is rejected and the other accepted depending on the outcome of the investigation.VariablesDependent Variable—the measurement generated by the manipulation of the Independent Variable.Independent Variable—the factor that the experimenter manipulates.Sampling techniqueThis involves selecting participants for a study. Examples of sampling techniques include:random samplingconvenience/opportunity samplingvolunteer samplingpurposive samplingsnowball sampling.Standardization/controlThis refers to eliminating or controlling any factor that could affect the results of the study, apart from the Independent Variable. When and how this is carried out will depend on the method chosen to generate the information needed.Ethical considerationsThese are paramount in any investigation of any kind in psychology. Please see the "Ethical guidelines" chapter of this guide and the teacher support material for more information on ethical considerations in psychology.Analyzing dataThe ways researchers analyze data through data presentation, inductive content analysis or statistics.Evaluating researchEvaluation of research data for:reliabilityvalidity (internal/external)credibilitybias.BiasBias refers to factors that may affect the results of the study. These include:researcher biasparticipant biassampling bias.Drawing conclusionsThere are several ways to draw conclusions about the research. These include:correlation and causationreplicationgeneralization for quantitative researchtransferability for qualitative researchtriangulation.Biological approach to understanding behaviourThe biological approach to understanding behaviour is largely an investigation into correlations. Do areas of the brain correlate with behaviour? When changes take place in the brain do changes take place in behaviour or is the reverse the case? Could an individual’s behaviour be predicted from their genes? Is human behaviour subject to natural selection?The relationship between biology and behaviour is a complex one of mutual causality. The technology available to investigate this relationship is becoming ever more sophisticated, while the ethics of this line of inquiry are increasingly an area for public debate.The biological approach to behaviour looks at:the relationship between the brain and behaviour (SL and HL)hormones and pheromones and their effects on behaviour (SL and HL)the relationship between genetics and behaviour (SL and HL)the role of animal research in understanding human behavior (HL only).Relevant to all the topics are:the contribution of research methods used in the biological approach to understanding human behaviourethical considerations in the investigation of the biological approach to understanding human icContentThe relationship between the brain and behaviourAny AO3 question can be formulated using?topic?and/or?content headings?(shown in?bold). Specific content under the content headings (shown in?italics) will not be used to formulate AO3 questions.Any AO1/AO2 questions can be formulated using?topic headings,?content headings?(shown in?bold) and/or specific content under the content headings (shown in?italics).Questions on ethical considerations or research methods are formulated using the?topic headings?(shown in?bold) at AO1, AO2, and AO3 level.Techniques used to study the brain in relation to behaviour: Study one technique used to understand the brain and behaviour.The choice of techniques used to correlate the brain with behaviour is based on a variety of factors including opportunity, available technology and cost. There are strengths and limitations to the different techniques used to study the effects of the brain on behaviour; however, the contribution of different techniques has helped to understand behaviour. Examples of techniques include fMRI, MRI, EEG, CAT, and PET.Localization of function: Study one example of localization of function.Localization of function is the theory that certain parts of the brain correspond to certain functions and reflects the idea that behaviour, emotion, and/or thoughts originate in specific regions of the brain.Neuroplasticity: Study one example of neuroplasticity.The development of?neural networks?through repetition and?neural pruning?is both genetic and subject to environmental influences.?Neural networks?can change developmentally, over time or after injury.Study all of the following.Neural networkNeural pruningNeurotransmitters and their effects on behaviour: Study one neurotransmitter and its effect on behaviour.Neurotransmitters mediate the events at the synapse and are affected by?agonists?that amplify their effects and?antagonists?that reduce their effects. Neurons working together can produce a large variety of effects, resulting in a complex repertoire of behaviours. As a result, any claim of cause and effect should be treated with caution.Study all of the following.NeuronSynapse?(how these relate to?excitatory?and?inhibitory?neurotransmitters)AgonistAntagonistTopicContentHormones and pheromones and their effects on behaviourAny AO3 question can be formulated using?topic?and/or?content headings?(shown in?bold). Specific content under the content headings (shown in?italics) will not be used to formulate AO3 questions.Any AO1/AO2 questions can be formulated using?topic headings,?content headings?(shown in?bold) and/or specific content under the content headings (shown in?italics).Questions on ethical considerations or research methods are formulated using the?topic headings?(shown in?bold) at AO1, AO2, and AO3 level.Hormones and their effects on behaviour: Study one hormone and its effect on behaviour.Hormones are chemicals released by specific glands in the body to regulate medium- and long-term changes in the body. Some hormones, like adrenaline, also act as a neurotransmitter and can produce instantaneous effects on mood and attention.Pheromones and their effects on behaviour: Study one pheromone and its effect on behaviour.Arguments for and against the influence of pheromones on human icContentThe relationship between genetics and behaviourAny AO3 question can be formulated using?topic?and/or?content headings?(shown in?bold). Specific content under the content headings (shown in?italics) will not be used to formulate AO3 questions.Any AO1/AO2 questions can be formulated using?topic headings,?content headings?(shown in?bold) and/or specific content under the content headings (shown in?italics).Questions on ethical considerations or research methods are formulated using the?topic headings?(shown in?bold) at AO1, AO2, and AO3 level.Genes and their effects on behaviour: Study one gene and its link to behaviour.Genes are made of DNA providing the blueprint for the structure and function of the human body, including behaviour.Genetic similarity: Study genetic similarity (twins, siblings, parents, adopted children) for one behaviour.Genetic similarity is referred to as relatedness. The greater the genetic similarities between two individuals or a group of individuals the higher the degree of relatedness.Study the following.Twin and kinship studiesEvolutionary explanation for behaviour: Study one example of an evolutionary explanation for behaviour.Examples include survival of the fittest and natural selection.Genes are constantly being switched on and off by signals from inside and outside the body. Internal signals include the presence of hormones or other chemicals, or indeed other genes. Hormones are frequently produced as a result of environmental events and work by altering gene expression. There are countless environmental events that also affect gene expression. The signal activates special proteins that can promote or block the expression of a gene.Sometimes genes are permanently switched off through methylation of the DNA molecule as part of the developmental process. This effect on genes is sometimes referred to as epigenetics as there is no alteration in the actual structure of the DNA. Mutations occur when there is an actual alteration of the icContentHL extension: The role of animal research in understanding human behaviourQuestions are formulated (at AO3 level) from the?topic?and/or?content headings.For all three topics in the biological approach, and with reference to research studies, HL students should study the following.The value of animal models in research to provide insight into human behaviourEthical considerations in animal researchCognitive approach to understanding behaviourThe cognitive approach to understanding behaviour looks at:cognitive processing (SL and HL)reliability of cognitive processes (SL and HL)emotion and cognition (SL and HL)cognitive processing in a technological (digital/modern) world (HL only).Relevant to all the topics are:the contribution of research methods used in the cognitive approach to understanding human behaviourethical considerations in the investigation of the cognitive approach to understanding human behaviour.The cognitive approach to behaviour views human beings as processors of information much in the same way as a computer processes information. The cognitive approach to behaviour focuses on areas of research such as schema processing, memory processing, and thinking, and how cognition may influence behaviour. Researchers are also interested in the extent to which cognitive processes are reliable, for example, in relation to thinking and memory. How cognitive processes may be affected in the modern digitalized world is an emerging field within the cognitive approach to behaviour.Cognitive processes are often influenced in complex ways by emotions. The influence of emotions on cognitive processes is studied not only by cognitive psychologists, but is developing as an area of interest for cognitive neuroscientists as well as social psychologists.Research methods in the cognitive approach to understanding of behaviour rely on experiments and brain imaging technologies as well as qualitative approaches to understanding everyday memory and thinking, making the cognitive approach an example of the holistic approach to understanding human icContentCognitive processingAny AO3 question can be formulated using?topic?and/or?content headings?(shown in?bold). Specific content under the content headings (shown in?italics) will not be used to formulate AO3 questions.Any AO1/AO2 questions can be formulated using?topic headings,?content headings?(shown in?bold) and/or specific content under the content headings (shown in?italics).Questions on ethical considerations or research methods are formulated using the?topic headings?(shown in?bold) at AO1, AO2, and AO3 level.Models of memory:?Study two memory models.Memory models provide a framework for an understanding of conceptualization of human memory processes over time. Examples relevant to the study of memory models include explicit/implicit memory, sensory memory, short-term memory, long-term memory, central executive, phonological loop, episodic buffer, and visuospatial sketchpad.Study all of the following.Multi-store memory modelWorking memory modelSchema theory: Study one example of schema theory.Cognitive schemas are seen as mental representations that organize our knowledge, beliefs, and expectations. Examples relevant to studying schema processing include but are not limited to: top-down/bottom-up processing; pattern recognition—the matching of a current input to information in memory; effort after meaning—the attempt to match unfamiliar ideas into a familiar framework; stereotyping—a fixed mental representation of a group of individuals.Study the following: Cognitive schemaThinking and decision-making: Study one model in thinking and decision-making.Thinking involves using information and doing something with it, for example, making a decision. Modern research into thinking and decision-making often refers to?rational?and?intuitive?thinking. Examples of thinking and decision-making could be but are not limited to framing, heuristics, loss aversion, and appraisal. Models in thinking and decision-making include, but are not limited to:theory of reasoned action and theory of planned behaviouradaptive decision-maker frameworksystem models of thinking.Study all of the following.Rational thinking (controlled)—goal-orientated and requires intentional effort and time, analyses/controls for biasesIntuitive thinking (automatic)—automatic, quick thinking; requires limited effort and is influenced by biasesTopicContentReliability of cognitive processesAny AO3 question can be formulated using?topic?and/or?content headings?(shown in?bold). Specific content under the content headings (shown in?italics) will not be used to formulate AO3 questions.Any AO1/AO2 questions can be formulated using?topic headings,?content headings?(shown in?bold) and/or specific content under the content headings (shown in?italics).Questions on ethical considerations or research methods are formulated using the?topic headings?(shown in?bold) at AO1, AO2, and AO3 level.Reconstructive memory: Study one example of reconstructive memory.Human memory is not an exact copy of events, but rather a reconstruction that may be altered over time, through discussions with others or input from the media. Research shows that memory may be changed during storage, processing and retrieval, due to schema processing. Relevant examples related to studying the nature of reconstructive memory could be but are not limited to:confabulation—a memory based on a fabricated, distorted or misinterpreted memory often believed to be true in spite of contradictory evidenceschema processing—memory processing based on prior knowledge in the form of schemas that could result in distortionfalse memories—recalling an event that never happened and believing it to be true.Biases in thinking and decision-making: Study one bias in thinking and decision-making.Humans rely on intuitive thinking and take cognitive shortcuts resulting in a number of well-researched biases.Relevant examples related to studying factors involved in biased thinking and decision-making include but are not limited to?rational?versus?intuitive?thinking, heuristics, algorithms, anchoring, framing and representativeness, as well as the cognitive biases:confirmation bias—the tendency to seek out information to confirm what you already believecognitive dissonance—a so-called motivational bias that focuses on personal motivation for selection and interpretation of information so that your cognitions are consistent with your decisions and/or behaviouroptimism bias—the tendency to think that nothing bad will ever happen to youselective attention—the tendency to focus on a limited number of stimuli when several are occurring at the same timeillusory correlations—the tendency to incorrectly identify correlations where there are none, as for example in “implicit personality theories”.Examples of biases include, but are not limited to:heuristicsanchoringrepresentativenessavailabilitycognitive biasesconfirmation biasoptimism biasselective attentionillusory icContentEmotion and cognitionAny AO3 question can be formulated using?topic?and/or?content headings?(shown in?bold). Specific content under the content headings (shown in?italics) will not be used to formulate AO3 questions.Any AO1/AO2 questions can be formulated using?topic headings,?content headings?(shown in?bold) and/or specific content under the content headings (shown in?italics).Questions on ethical considerations or research methods are formulated using the?topic headings?(shown in?bold) at AO1, AO2, and AO3 level.The influence of emotion on cognitive processes: Study one example of the effect of emotion on a cognitive process.Psychological and neuroscientific research has revealed that emotion and cognition are intertwined. Memories of emotional events sometimes have a persistence and vividness that other memories seem to lack, but there is evidence that even highly emotional memories may fade over time. Examples related to studying emotion and memory processes could be but are not limited to:flashbulb memoriestheory of the emotional brainthe amygdala’s influence on memory encodingappraisal + State-dependent memoryTopicContentHL extension: Cognitive processing in a technological (digital/modern) worldQuestions are formulated (at AO3 level) from the?topic?and/or?content headings.For all three topics in the cognitive approach, and with reference to research studies, HL students should study the following.The influence (positive and negative) of technologies (digital/modern) on cognitive processes.Methods used to study the interaction between technologies and cognitive processes.Sociocultural approach to understanding behaviourThe sociocultural approach to behaviour looks at:the individual and the group (SL and HL)cultural origins of behaviour and cognition (SL and HL)cultural influences on individual behaviour (SL and HL)the influence of globalization on individual behaviour (HL only).Relevant to all the topics are:the contribution of research methods used in the sociocultural approach to understanding human behaviourethical considerations in the investigation of the sociocultural approach to understanding human behaviour.The sociocultural approach to behaviour investigates the role of social and cultural influences in shaping thinking and human behaviour. An increasing body of culturally informed research has made cross-cultural psychology as well as cultural psychology a contemporary topic of debate among psychologists working in the field. Theories, concepts and research studies provide the background for a more nuanced understanding of the variety and complexity of human behaviour. This is important in the modern globalized world where issues related to migration and integration are on the rise.Key figures in the field of modern social psychology have often favoured experimental methods to understand how social context influences behaviours, identities, attitudes and cognitions, however, by studying acculturation in terms of intergroup relations, we can start to understand that the same processes may be seen in the interaction between cultural groups. Social and cultural psychologists are now also using qualitative research methods in order to get a better understanding of intergroup relations as well as the process of icContentThe individual and the groupAny AO3 question can be formulated using?topic?and/or?content headings?(shown in?bold). Specific content under the content headings (shown in?italics) will not be used to formulate AO3 questions.Any AO1/AO2 questions can be formulated using?topic headings,?content headings?(shown in?bold) and/or specific content under the content headings (shown in?italics).Questions on ethical considerations or research methods are formulated using the?topic headings?(shown in?bold) at AO1, AO2, and AO3 level.Social identity theory: Study social identity theory.Social identity theory refers to the way someone thinks about themselves and evaluates themselves in relation to groups.Social identity theory posits that a person’s sense of who they are is based on their membership of social groups.Study the following.Social groupsSocial cognitive theory: Study social cognitive theory.Social cognitive theory suggests behaviour is modelled by other members of a group and acquired through observation or imitation based on consequences of a behaviour. Examples of social cognitive theory include:self-efficacyreciprocal determinismsocializationsocial/cultural learning.Formation of stereotypes and their effects on behaviour: Study one example of the development and effect of stereotypes.A stereotype is a generalized and rather fixed way of thinking about a group of people. Examples of stereotypes influencing behaviour could be prejudice and discrimination. The theory of stereotype threat indicates that internalized stereotypes could influence an individual’s self-perception and behaviour in negative icContentCultural origins of behaviour and cognitionAny AO3 question can be formulated using?topic?and/or?content headings?(shown in?bold). Specific content under the content headings (shown in?italics) will not be used to formulate AO3 questions.Any AO1/AO2 questions can be formulated using?topic headings,?content headings?(shown in?bold) and/or specific content under the content headings (shown in?italics).Questions on ethical considerations or research methods are formulated using the?topic headings?(shown in?bold) at AO1, AO2, and AO3 level.Culture and its influence on behaviour and cognition: Study one example of culture and its influence on behaviour and cognition.Cultures are made up of a set of attitudes, behaviours, and symbols shared by a large group of people, and usually communicated from one generation to the next.?Cultural groups?are characterized by different norms and conventions.Study the following.Cultural groupsCultural dimensions: Study one cultural dimension.Cultural dimensions refer to the values of members of a society living within a culture.Study one of the following.Individualism/collectivismUncertainty avoidancePower/distanceMasculinity/femininityLong term/short termTime orientationIndulgence/restraintTopicContentCultural influences on individual behaviourAny AO3 question can be formulated using?topic?and/or?content headings?(shown in?bold). Specific content under the content headings (shown in?italics) will not be used to formulate AO3 questions.Any AO1/AO2 questions can be formulated using?topic headings,?content headings?(shown in?bold) and/or specific content under the content headings (shown in?italics).Questions on ethical considerations or research methods are formulated using the?topic headings?(shown in?bold) at AO1, AO2, and AO3 level.Enculturation: Study one effect enculturation has on human cognition and behaviour.Enculturation is the process by which people learn the necessary and appropriate skills and norms in the context of their culture.Study the following.NormsAcculturation: Study one effect acculturation has on human cognition and behaviour.Acculturation is the process by which people change as a result of contact with other cultures in order to assimilate with a new culture. Relevant examples when studying enculturation and acculturation include universalism/relativism and etic/emic perspectives.Study the following.Assimilation/assimilateTopicContentHL extension: The influence of globalization on individual behaviourQuestions are formulated (at AO3 level) from the?topic?and/or?content headings.For all three topics in the sociocultural approach, and with reference to research studies, HL students should study the following.The effect of the interaction of local and global influences on behaviour.Research methods used to study the influence of globalization on behaviour.Syllabus content: OptionsThere are four options covering areas of applied psychology:health psychology (focus for HL 2021)SL students study one option, while HL students study two. (Note: HL only one, no Paper 2 for SL in 2021 due to pandemic)Whereas the core provides a general overview, the options allow students to study a specialized area of psychology to apply their learning. What is learned in the core forms the foundation for the learning in the options. The options provide the opportunity to integrate learning in an applied context. In addition, the options provide the opportunity to explore the different approaches taken in research and highlight the?ethical considerations?and sensitivities pertinent to a specific line of inquiry.The options are assessed in paper 2, which contains three essay questions per option. SL students choose one essay from one option, while HL students choose two essays from two different options. Examination questions for paper 2 use AO3-level command terms and are formulated using the?topic heading?and/or?content headings?(shown in?bold). Questions linked to research, ethical considerations, or the approaches to understanding behaviour will be linked to the?topic heading. Any material connected by the word “and” may be connected on examination questions by “and/or".The essay titles for paper 2 only use command terms that correspond to AO3. These are as laid out in the following table.ContrastGive an account of the differences between two (or more) items or situations, referring to both (all) of them throughout.DiscussOffer a considered and balanced review that includes a range of arguments, factors or hypotheses. Opinions or conclusions should be presented clearly and supported by appropriate evidence.EvaluateMake an appraisal by weighing up the strengths and limitations.To what extentConsider the merits or otherwise of an argument or concept. Opinions and conclusions should be presented clearly and supported with appropriate evidence and sound argument.Each option is divided into three topics. For each option, there will be three essay titles to choose from, one for each topic in the option.Health psychologyMany health issues are the result of lifestyle, either imposed on individuals or chosen by individuals, and often despite well-publicised risks. An understanding of health psychology is important in the development of prevention strategies and fosters a more positive perception of healthy choices. The three topics in this option are:determinants of healthhealth problemspromoting health.Each of these topics should use the learning from the biological, cognitive and sociocultural approaches to behaviour where appropriate. In addition, students should have the opportunity to explore the different approaches taken in the research and should be made aware of the ethical considerations and the sensitivity required in a discussion of this subject.It is important for health psychologists to take into account differences in attitudes towards health-related behaviour as well as variations in the incidence of health problems when trying to help individuals or consider ways to promote health. In addition, factors such as lifestyle and social context may influence health and illness, making one of the goals of health psychology to promote an understanding of behaviour that leads to a healthier lifestyle.In discussing the issues students may look at several health-related phenomena or focus on a single health issue. Both are acceptable approaches to the content and have the same potential to score well in assessment. The topics being studied in this option should come from one or more of the following.stressaddictionobesitychronic painsexual healthAssessmentTopicContentAny AO3 question can be formulated using?topic?and/or specific?content headings?(shown in?bold); concepts and phrases may be used in the formulation of assessment questions.Determinants of healthBiopsychosocial model of health and well-beingDispositional factors and health beliefs*Risk and protective factorsHealth problemsExplanations of health problem(s)Prevalence rates of health problem(s)Promoting healthHealth promotionEffectiveness of health promotion programme(s)Applicable to all three topicsThe integration of biological, cognitive, and sociocultural approaches to understanding behaviourResearch methods used to understand behaviourEthical considerationsAssessment outline—SLFirst assessment 2019Assessment componentWeightingExternal assessment (3 hours)Paper 1 (2 hours)Section A: Three short-answer questions on the core approaches to psychology(27 marks)Section B: One essay from a choice of three on the biological, cognitive and sociocultural approaches to behaviour (22 marks)(Total 49 marks)75%50%Paper 2 (1 hour) (note: This paper has been removed for 2021 due to pandemic)One question from a choice of three on one option(22?marks)25%Internal assessment (20 hours)This component is internally assessed by the teacher and externally moderated by the IB at the end of the course.Experimental studyA report on an experimental study undertaken by the student(22?marks)25%Assessment outline—HLFirst assessment 2019Assessment componentWeightingExternal assessment (5 hours)Paper 1 (2 hours)Section A: Three short-answer questions on the core approaches to psychology(27 marks)Section B: One essay from a choice of three on the biological, cognitive and sociocultural approaches to behaviour.?One, two or all?of the essays will reference the additional HL topic (22 marks)(Total 49?marks)80%40%Paper 2 (2 hours) (note: this paper has been amended to 1 option for 2021 due to pandemic)Two questions; one from a choice of three on each of two options(Total 44 marks)20%Paper 3 (1 hour) (note: this paper has been removed for 2021 due to pandemic)Three short-answer questions from a list of six static questions (published in this guide) on approaches to research(24 marks)20%Internal assessment (20 hours)This component is internally assessed by the teacher and externally moderated by the IB at the end of the course.Experimental studyA report on an experimental study undertaken by the student(22?marks)20%External assessment criteria—SLPaper 1Section APaper 1 section A consists of three short-answer questions using AO1 and AO2 command terms “describe” (AO1), “outline” (AO1) and “explain” (AO2). Questions may be formulated from?topic?and?content headings?(shown in?bold), or from specific content under the content headings (shown in?italics). All three questions are compulsory. Each question is marked out of 9 marks using the rubric below, for a total of 27 marks.MarkbandLevel descriptor0The answer does not reach a standard described by the descriptors below.1–3The response is of limited relevance to or only rephrases the question.Knowledge and understanding is mostly inaccurate or not relevant to the question.The research supporting the response is mostly not relevant to the question and if relevant only listed.4–6The response is relevant to the question, but does not meet the command term requirements.Knowledge and understanding is accurate but limited.The response is supported by appropriate research which is described.7–9The response is fully focused on the question and meets the command term requirements.Knowledge and understanding is accurate and addresses the main topics/problems identified in the question.The response is supported by appropriate research which is described and explicitly linked to the question.Section BPaper 1 section B consists of one essay from a choice of three. The essay is marked out of 22 marks. AO3 command terms are used in the essay questions. Extended response questions are formulated using?topic?and/or?content headings?(shown in?bold). Specific content under the content headings (shown in?italics) is not used to formulate AO3 questions. Ethical considerations and research questions are only formulated using the?topic headings?(shown in?bold). Any syllabus content connected by the word “and” may be connected on examination questions by “and/or".All questions in this section will use AO3-level command terms.The essays are assessed using the rubric below.Essay marking rubric (total 22 marks)Criterion A: Focus on the question?(2 marks)To understand the requirements of the question students must identify the problem or issue being raised by the question. Students may simply identify the problem by restating the question or breaking down the question. Students who go beyond this by?explaining?the problem are showing that they understand the issues or problems.MarkLevel descriptor0Does not reach the standard described by the descriptors below.1Identifies the problem/issue raised in the question.2Explains the problem/issue raised in the question.Criterion B: Knowledge and understanding?(6 marks)This criterion rewards students for demonstrating their knowledge and understanding of specific areas of psychology. It is important to credit?relevant?knowledge and understanding that is?targeted?at addressing the question and explained in sufficient detail.MarkLevel descriptor0Does not reach the standard described by the descriptors below.1–2The response demonstrates limited relevant knowledge and understanding.Psychological terminology is used but with errors that hamper understanding.3–4The response demonstrates relevant knowledge and understanding but lacks detail.Psychological terminology is used but with errors that do not hamper understanding.5–6The response demonstrates relevant, detailed knowledge and understanding.Psychological terminology is used appropriately.Criterion C: Use of research to support answer?(6 marks)Psychology is evidence based so it is expected that students will use their knowledge of research to support their argument. There is no prescription as to which or how many pieces of research are appropriate for their response. As such it becomes important that the research selected is?relevant?and useful in?supporting?the response. One piece of research that makes the points relevant to the answer is better than several pieces that repeat the same point over and over.MarkLevel descriptor0Does not reach the standard described by the descriptors below.1–2Limited relevant psychological research is used in the response.Research selected serves to repeat points already made.3–4Relevant psychological research is used in support of the response and is partly explained.Research selected partially develops the argument.5–6Relevant psychological research is used in support of the response and is thoroughly explained.Research selected is effectively used to develop the argument.Criterion D: Critical thinking?(6 marks)This criterion credits students who demonstrate an inquiring and reflective attitude to their understanding of psychology. There are a number of areas where students may demonstrate critical thinking on the knowledge and understanding used in their responses and the research used to support that knowledge and understanding. The areas of critical thinking are:research design and methodologiestriangulationassumptions and biasescontradictory evidence or alternative theories or explanationsareas of uncertainty.These areas are not hierarchical and not all areas will be relevant in a response. In addition, students could demonstrate a very limited critique of methodologies, for example, and a well-developed evaluation of areas of uncertainty in the same response. As a result a holistic judgment of their achievement in this criterion should be made when awarding marks.MarkLevel descriptor0Does not reach the standard described by the descriptors below.1–2There is limited critical thinking and the response is mainly descriptive.Evaluation or discussion, if present, is superficial.3–4The response contains critical thinking, but lacks development.Evaluation or discussion of most relevant areas is attempted but is not developed.5–6The response consistently demonstrates well-developed critical thinking.Evaluation or discussion of relevant areas is consistently well developed.Criterion E: Clarity and organization?(2 marks)This criterion credits students for presenting their response in a clear and organized manner. A good response would require no re-reading to understand the points made or the train of thought underpinning the argument.MarkLevel descriptor0Does not reach the standard described by the descriptors below.1The answer demonstrates some organization and clarity, but this is not sustained throughout the response.2The answer demonstrates organization and clarity throughout the response.External assessment criteria—HL (2021 only)Paper 1Section APaper 1 section A consists of three short-answer questions using AO1 and AO2 command terms “describe” (AO1), “outline” (AO1) and “explain” (AO2). Questions may be formulated from?topic?and?content headings?(shown in?bold), or from specific content under the content headings (shown in?italics). All three questions are compulsory. Each question is marked out of 9 marks using the rubric below, for a total of 27 marks.MarkbandLevel descriptor0The answer does not reach a standard described by the descriptors below.1–3The response is of limited relevance to or only rephrases the question.Knowledge and understanding is mostly inaccurate or not relevant to the question.The research supporting the response is mostly not relevant to the question and if relevant only listed.4–6The response is relevant to the question, but does not meet the command term requirements.Knowledge and understanding is accurate but limited.The response is supported by appropriate research which is described.7–9The response is fully focused on the question and meets the command term requirements.Knowledge and understanding is accurate and addresses the main topics/problems identified in the question.The response is supported by appropriate research which is described and explicitly linked to the question.Section BPaper 1 section B consists of one essay from a choice of three. The essay is marked out of 22 marks. AO3 command terms are used in the essay questions. Extended response questions are formulated using?topic?and/or?content headings?(shown in?bold). Specific content under the content headings (shown in?italics) is not used to formulate AO3 questions. Ethical considerations and research questions are only formulated using the?topic headings?(shown in?bold). Any syllabus content connected by the word “and” may be connected on examination questions by “and/or".All questions in this section will use AO3-level command terms.The essays are assessed using the rubric below.Essay marking rubric (total 22 marks)Criterion A: Focus on the question?(2 marks)To understand the requirements of the question students must identify the problem or issue being raised by the question. Students may simply identify the problem by restating the question or breaking down the question. Students who go beyond this by?explaining?the problem are showing that they understand the issues or problems.MarkLevel descriptor0Does not reach the standard described by the descriptors below.1Identifies the problem/issue raised in the question.2Explains the problem/issue raised in the question.Criterion B: Knowledge and understanding?(6 marks)This criterion rewards students for demonstrating their knowledge and understanding of specific areas of psychology. It is important to credit?relevant?knowledge and understanding that is?targeted?at addressing the question and explained in sufficient detail.MarkLevel descriptor0Does not reach the standard described by the descriptors below.1–2The response demonstrates limited relevant knowledge and understanding.Psychological terminology is used but with errors that hamper understanding.3–4The response demonstrates relevant knowledge and understanding but lacks detail.Psychological terminology is used but with errors that do not hamper understanding.5–6The response demonstrates relevant, detailed knowledge and understanding.Psychological terminology is used appropriately.Criterion C: Use of research to support answer?(6 marks)Psychology is evidence based so it is expected that students will use their knowledge of research to support their argument. There is no prescription as to which or how many pieces of research are appropriate for their response. As such it becomes important that the research selected is?relevant?and useful in?supporting?the response. One piece of research that makes the points relevant to the answer is better than several pieces that repeat the same point over and over.MarkLevel descriptor0Does not reach the standard described by the descriptors below.1–2Limited relevant psychological research is used in the response.Research selected serves to repeat points already made.3–4Relevant psychological research is used in support of the response and is partly explained.Research selected partially develops the argument.5–6Relevant psychological research is used in support of the response and is thoroughly explained.Research selected is effectively used to develop the argument.Criterion D: Critical thinking?(6 marks)This criterion credits students who demonstrate an inquiring and reflective attitude to their understanding of psychology. There are a number of areas where students may demonstrate critical thinking on the knowledge and understanding used in their responses and the research used to support that knowledge and understanding. The areas of critical thinking are:research design and methodologiestriangulationassumptions and biasescontradictory evidence or alternative theories or explanationsareas of uncertainty.These areas are not hierarchical and not all areas will be relevant in a response. In addition, students could demonstrate a very limited critique of methodologies, for example, and a well-developed evaluation of areas of uncertainty in the same response. As a result a holistic judgment of their achievement in this criterion should be made when awarding marks.MarkLevel descriptor0Does not reach the standard described by the descriptors below.1–2There is limited critical thinking and the response is mainly descriptive.Evaluation or discussion, if present, is superficial.3–4The response contains critical thinking, but lacks development.Evaluation or discussion of most relevant areas is attempted but is not developed.5–6The response consistently demonstrates well-developed critical thinking.Evaluation or discussion of relevant areas is consistently well developed.Criterion E: Clarity and organization?(2 marks)This criterion credits students for presenting their response in a clear and organized manner. A good response would require no re-reading to understand the points made or the train of thought underpinning the argument.MarkLevel descriptor0Does not reach the standard described by the descriptors below.1The answer demonstrates some organization and clarity, but this is not sustained throughout the response.2The answer demonstrates organization and clarity throughout the response.Paper 2Paper 2 consists of three essays per option. Students answer one question from each of the two options studied. All essay questions use an AO3 command term. Each essay is marked out of 22 marks. Paper 2 questions may be linked to research, ethical considerations, or the approaches, and they are formulated at the?topic heading?level (shown in?bold). Any syllabus content connected by the word “and” may be connected on examination questions by “and/or".All questions in this paper will use at AO3-level command terms.The essays are assessed using the rubric shown below.Essay marking rubric (total 22 marks)Criterion A: Focus on the question?(2 marks)To understand the requirements of the question students must identify the problem or issue being raised by the question. Students may simply identify the problem by restating the question or breaking down the question. Students who go beyond this by?explaining?the problem are showing that they understand the issues or problems.MarkLevel descriptor0Does not reach the standard described by the descriptors below.1Identifies the problem/issue raised in the question.2Explains the problem/issue raised in the question.Criterion B: Knowledge and understanding?(6 marks)This criterion rewards students for demonstrating their knowledge and understanding of specific areas of psychology. It is important to credit?relevant?knowledge and understanding that is?targeted?at addressing the question and explained in sufficient detail.MarkLevel descriptor0Does not reach the standard described by the descriptors below.1–2The response demonstrates limited relevant knowledge and understanding.Psychological terminology is used but with errors that hamper understanding.3–4The response demonstrates relevant knowledge and understanding but lacks detail.Psychological terminology is used but with errors that do not hamper understanding.5–6The response demonstrates relevant, detailed knowledge and understanding.Psychological terminology is used appropriately.Criterion C: Use of research to support answer?(6 marks)Psychology is evidence based so it is expected that students will use their knowledge of research to support their argument. There is no prescription as to which or how many pieces of research are appropriate for their response. As such it becomes important that the research selected is?relevant?and useful in?supporting?the response. One piece of research that makes the points relevant to the answer is better than several pieces that repeat the same point over and over.MarkLevel descriptor0Does not reach the standard described by the descriptors below.1–2Limited relevant psychological research is used in the response.Research selected serves to repeat points already made.3–4Relevant psychological research is used in support of the response and is partly explained.Research selected partially develops the argument.5–6Relevant psychological research is used in support of the response and is thoroughly explained.Research selected is effectively used to develop the argument.Criterion D: Critical thinking?(6 marks)This criterion credits students who demonstrate an inquiring and reflective attitude to their understanding of psychology. There are a number of areas where students may demonstrate critical thinking on the knowledge and understanding used in their responses and the research used to support that knowledge and understanding. The areas of critical thinking are:research design and methodologiestriangulationassumptions and biasescontradictory evidence or alternative theories or explanationsareas of uncertainty.These areas are not hierarchical and not all areas will be relevant in a response. In addition, students could demonstrate a very limited critique of methodologies, for example, and a well-developed evaluation of areas of uncertainty in the same response. As a result a holistic judgment of their achievement in this criterion should be made when awarding marks.MarkLevel descriptor0Does not reach the standard described by the descriptors below.1–2There is limited critical thinking and the response is mainly descriptive.Evaluation or discussion, if present, is superficial.3–4The response contains critical thinking, but lacks development.Evaluation or discussion of most relevant areas is attempted but is not developed.5–6The response consistently demonstrates well-developed critical thinking.Evaluation or discussion of relevant areas is consistently well developed.Criterion E: Clarity and organization?(2 marks)This criterion credits students for presenting their response in a clear and organized manner. A good response would require no re-reading to understand the points made or the train of thought underpinning the argument.MarkLevel descriptor0Does not reach the standard described by the descriptors below.1The answer demonstrates some organization and clarity, but this is not sustained throughout the response.2The answer demonstrates organization and clarity throughout the mand terms for psychologyStudents should be familiar with the following key terms and phrases used in examination questions, which are to be understood as described below. Although these terms will be used frequently in examination questions, other terms may be used to direct students to present an argument in a specific way.The command terms used in psychology are arranged into four groups labelled assessment objectives (AO). The first three, AO1, AO2 and AO3, are hierarchical with more challenging verbs for assessment as you progress from AO1 to AO3. AO4 is not hierarchical, but represents actions related to subject-specific tasks.Assessment objective 1 (AO1)Knowledge and comprehension of specified contentThese terms require students to demonstrate knowledge and understanding and learn and comprehend the meaning of information.DescribeGive a detailed account.IdentifyProvide an answer from a number of possibilities.OutlineGive a brief account or summary.Assessment objective 2 (AO2)Application and analysis of knowledge and understandingThese terms require students to use and analyse knowledge and understanding, explain actual situations, break down ideas into simpler parts and to see how the parts relate.ExplainGive a detailed account including reasons or causes.SuggestPropose a solution, hypothesis or other possible answer.Assessment objective 3 (AO3)Synthesis and evaluationThese terms require students to make a judgment based on evidence and, when relevant, construct an argument or rearrange component ideas into a new whole and make judgments based on evidence or a set of criteria.ContrastGive an account of the differences between two (or more) items or situations, referring to both (all) of them throughout.DiscussOffer a considered and balanced review that includes a range of arguments, factors or hypotheses. Opinions or conclusions should be presented clearly and supported by appropriate evidence.EvaluateMake an appraisal by weighing up the strengths and limitations.To what extentConsider the merits or otherwise of an argument or concept. Opinions and conclusions should be presented clearly and supported with appropriate evidence and sound argument.Assessment objective 4 (AO4)Selection and use of skills appropriate to psychology. The terms require students to take action.DesignProduce a plan, simulation or model.InvestigateObserve, study, or make a detailed and systematic examination, in order to establish facts and reach new conclusions.PredictGive an expected result.Glossary of content terminologyThe following terms have been defined for the purpose of consistency for use within the DP psychology course.Analysing dataThe way researchers analyse data through data presentation, inductive content analysis or statistics.ApproachTheoretical underpinning used to support the development of the study.Approaches to researchQualitative and quantitative approaches to researching behaviour and/or cognition.BiasFactors that may affect the results of the study. These include researcher bias, participant bias, and sampling bias.Case studyA detailed analysis over time of an area of interest (a case) to produce context-dependent knowledge. A case study could also be an in-depth study of an individual. For the purpose of DP psychology, case studies are considered a research method and use other research methods, such as interviews, to collect data.Cognitive processesAny mental function involved in the acquisition, storage, interpretation, manipulation, transformation, and use of knowledge. Examples of these processes include attention; learning; memory; perception; thinking and decision-making. (Retrieved October 2019 from .)Cognitive schemasMental representations.Convenience samplingThe process of selecting people who are able to participate in the study at a given time.Correlational researchA type of study investigating relationships between variables without any control over the setting; a focus on two variables (Retrieved October 2019 from .)CredibilityThe degree to which the research gives a true picture of what is being investigated and the results represent the perceptions and opinions of the research participants. Credibility is a factor in establishing trustworthiness in qualitative research.Data presentationThe collection of raw data, which is then processed in a variety of ways and displayed in a table, graph, or chart, so that possible trends in the results can be seen.Dependent VariableThe measurement generated by the manipulation of the Independent Variable.Descriptive statisticsThe spread of the data and measures of central tendency.Digital technologyElectronic technology that generates, stores, and processes data (for example, smart phones and computers).Ethical considerationsConsiderations that are paramount in any psychology investigation; they concern the ethics of treating participants fairly and without harm. Please see the "Ethical guidelines" chapter of this guide and the teacher support material for more information on ethical considerations in psychology.ExperimentsA series of observations conducted under controlled conditions to study a relationship with the purpose of drawing causal inferences about that relationship. An experiment involves the manipulation of an Independent Variable, the measurement of a Dependent Variable, and the exposure of participants to one or more of the conditions being studied. (Retrieved October 2019 from .)External validityThe extent to which the results of a study can be generalized or transferred to another sample or context.Field experimentThe researcher may/may not manipulate the Independent Variable, but conducts the experiment in a real-life environment. As a result, extraneous variables cannot be controlled.GenesGenes are made up of DNA that provides the blueprint for the structure and function of the human body. This could include behaviour. An individual’s genome refers to all the genes that individual possesses. The link between genes and behaviour can be studied using one or more examples.Gene regulation and gene expressionNot all genes an individual possesses are expressed at all times. Genes can be switched on and off. This is gene regulation resulting in differential gene expression. Therefore, having a gene for a particular behaviour does not necessarily mean that an individual will exhibit that behaviour.GeneralizationTerm used in quantitative approaches based on probability sampling where the results are applicable to the whole target population.HormonesChemicals released by specific glands in the body to regulate medium- and long-term changes in the body. Some hormones, for example, adrenaline, also act as neurotransmitters and can produce instantaneous effects on mood and attention. One or more examples can be used to study hormonal effects on behaviour.HypothesisA statement that is testable and falsifiable based on the results of an experiment or observation. The null hypothesis (Ho) is a statement that the treatment has no effect while the alternative hypothesis (H1) is a statement that the treatment has an effect on the Dependent Variable. One of the hypotheses is rejected and the other accepted depending on the outcome of the investigation.Independent samples/independent measures designUses two separate groups of participants. For example, one group of participants is assigned to the control group while the other group is assigned to the experimental or treatment condition.Independent VariableThe factor that the experimenter manipulates.Inductive content analysisUsed in qualitative research to determine the meaning or purpose of data as it appears in the transcript or field notes. The analysis of the transcript or field notes involves coding and categorizing data and organizing them into a hierarchy of themes.Inferential statisticsStatistical information that attempts to highlight relationships and trends in the data.In-group/out-groupGroups with which an individual identifies (in-group) or does not identify (out-group).Internal validityThe rigor of the study and the extent to which the researcher took alternative explanations into account.InterviewsQualitative interviews include unstructured, semi-structured and focus-group interviews. These are used to gain an insight into people’s thoughts, opinions and feelings from their own point of view.Localization of functionThe concept that specific parts of the cerebral cortex are relatively specialized for particular types of cognitive and behavioural processes. (Retrieved October 2019 from .)Matched pair designsRandomly assign one of a pair to either the control or the experimental group. Researchers may match individuals on specific characteristics, such as ethnicity or age. Twin studies are an example of a matched pair design.Methodological triangulationTests a theory or a psychological phenomenon using different methods of inquiry. Data from a variety of methods (survey, interview, case study, experiments) is used to help validate the results of a study.Natural experimentsResearchers find naturally occurring variables and study them.Naturalistic observationsObservations of naturally occurring behaviour in a natural setting. Several different recording techniques can be used, but field notes are an important part of the data. Observations may be participant or non-participant observations. The ethical implications of covert observations need to be justified.Neural networksDevelop in the brain by the making and breaking of synaptic connections between neurons.NeuroplasticityThe development of neural networks through repetition and neural pruning that is both genetic and subject to environmental influences. Neural networks can change developmentally, over time or after injury.NeurotransmissionIt is enough for students to know that nerve impulses travel along neurons until they reach a synapse. The details of how this is achieved are not required.NeurotransmittersMediate the events at the synapse. There are many neurotransmitters in the human brain. Serotonin and dopamine are two of the better known. Many hormones can also act as neurotransmitters, for example, adrenaline and oxytocin. One or more examples can be used to illustrate the effect of neurotransmitters.Participant biasWhen participants act according to how the researcher may want them to act, for example, due to the social desirability effect.Purposive samplingParticipants are chosen because they possess characteristics salient to the research study.Qualitative researchExploratory and used to gain an insight into psychological phenomena of interest. Further research into the topic may well include quantitative studies with more data.Quantitative researchExposes participants to each condition making up the Independent Variable.Quasi-experimentsParticipants are grouped based on a characteristic of interest, such as gender, ethnicity, or scores on a depression scale.Random samplingThe process where every member in the target population has an equal chance of being selected.Raw dataThe original measurements on a variable as collected by the researcher prior to cleaning. For example, each participant’s response on a psychology task is considered raw data.ReliabilityThe consistency of a study in terms of the extent to which a test or measure produces the same results in repeated trials.Repeated measures designExposes participants to each condition making up the Independent Variable.ReplicationThe degree to which the study can be repeated by the same or different researchers and achieve comparable results.Research designOverall structure of a study that might include one or more methods.Research methodThe technique used to sample, collect, and analyse data; considered as one possible component of the research design.Sampling biasOccurs when the sample is not representative of the target population, whether the sample is based on selection criteria (qualitative research) or probability sampling (quantitative research).Sampling techniqueSelecting participants for a study. Random sampling, convenience/opportunity sampling, and self-selected/volunteer sampling are common techniques.Schema theoryA branch of cognitive science focused on how the brain structures knowledge.Self-selected/volunteer samplingIndividuals choose to participate in the study.Snowball samplingParticipants who are already in a study help the researcher to recruit more participants through their social network.Standardization/controlEliminating or controlling any factor that could affect the results of the study, apart from the Independent Variable. When and how this is carried out will depend on the method chosen to generate the information needed.StereotypesA generalized and rather fixed way of thinking about a group of people.SurveyThere are two types of surveys, interviews and questionnaires. For the purpose of DP psychology, surveys within the qualitative approach will refer to interviews, while surveys within the quantitative approach will refer to questionnaires.TechnologiesRefers to digital/modern technology.TransferabilityA qualitative term for when findings from a study can be transferred to settings and/or populations outside the study only if the findings of a particular study are corroborated by findings of similar studies (for example, in multiple case studies).TriangulationAn approach used to ensure enough evidence is available to make a valid claim about the results of a study.Twin and kinship studiesAlso referred to as twin and family studies.ValidityThe degree to which the results accurately reflect what the research is measuring. There are two forms, external validity and internal validity. ................
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