1. EXPERIMENTAL RESEARCH KEY CONCEPTS,COMMON ERRORS, CONFUSIONS 2006

2. VALIDITY Validity refers to whether or not the study can be replicated. –A. TRUE –B. FALSE

3. INTERNAL VALIDITY Refers to the idea that the study was done in a laboratory vs. the field. –A. TRUE –B. FALSE

4. INTERNAL VALIDITY

5. RANDOMIZATION Randomization in experimental research refers to the idea that subjects are carefully selected based on things like their education and age and then they are carefully placed into treatment groups. A. FALSE B. TRUE

6. EXTERNAL VALIDITY If a study does not have internal validity it can still be of value if it has external validity. –A. TRUE –B. FALSE

7. EXTRANEOUS VARIABLE An extraneous variable is a variable that the researcher uses as one of the treatment groups. –A. TRUE –B. FALSE

8. EXTRANEOUS VARIABLES A possible extraneous variable in the “Expected Interaction” study is the level of attractiveness of the female in the video. –A. FALSE –B. TRUE

9. EXTRANEOUS VARIABLES In the “Expected Interaction” study, the type of learner each subject was, acted as an extraneous variable. A.TRUE B.FALSE

10. THE GOAL OF RESEARCH Researchers set out to prove their hypotheses. –A. TRUE –B. FALSE

11. SPELLING Experimental research is all about casual relationships. –A. TRUE –B. FALSE

12. SPELLING The word ‘there’ is synonymous with: –‘their’ A. TRUE B. FALSE

13. DEPENDENT VARIABLE The dependent variable in the “Expected Interaction” study was the experimental treatment the subject was assigned to. –A. TRUE –B. FALSE