PSYC 2380 Study Guide - Quiz Guide: Internal Validity
13 Sep 2016
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(revel) chapter 2 quiz: methodology: how social psychologists do research: megan reads a research study which shows that children who see a lot of violence on television are more likely to be aggressive on the playground. People who are intelligent get higher grades and drink less. Students with a high gpa study more and thus have less time to drink. If you know how much alcohol a student drinks, you can predict his or her gpa is low in external validity: a team of researchers wants to test the hypothesis that drinking wine makes people like jazz more. They randomly assign college students who are 21 or over to one room in which they will drink wine and listen to jazz or to another room in which they will drink water and listen to jazz. It happens that the wine room has a big window with nice scenery outside, while the water room is windowless, dark, and dingy.
