Independent and dependent variables: Practice worksheet



Scientific Method INDEPENDENT PRACTICE

1) Students watched cartoons either alone or with others and then rated how funny they found the cartoon to be.

Independent Variable:

Dependent Variable:

Negative Control Group:

▪ According to the scientific method, what should scientists do after gathering background research about perceptions of humor in groups? Give an example.

2) Students at Lipscomb University were split into two groups and each received a different text for a philosophy course. Once group received a traditional text book, while the other received an interactive textbook on a tablet computer. After the course, the final exam marks between the two groups of students was compared.

Independent Variable:

Dependent Variable:

Control Variables:

3) A comprehension test was given to two classes of students after they had studied textbook material either in silence or with the television turned on. One class was from Williamson County and another group was from a Title I school.

Independent Variable:

Dependent Variable:

How could you control this experiment’s results?

▪ What is the next step after scientists have recorded the observations from the comprehension test?

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