Task 1 – Checking your understanding of Internal and ...

Task 1 – Checking your understanding of Internal and External validity. Psychologists conducted an investigation into the halo effect, the idea that the more attractive a defendant is perceived the less likely they will be found guilty by the Jury. 40 participants aged between 18-24, all white, from Kennington in London took part in the experiment and watched a video of a mock trial for one ... ................
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