Question

QUESTION 17 According to the lecure, which of the following is NOT one of the conditions that must hold for an S data personality test to accurately measure an attribute of personality? The test taker must be able to make an accurate self-assessment All of the items must be valid indicators of the construct The test taker must be willing to report the self-assessment accurately. The test must contain both positively and negatively worded items QUESTION 18 A fundamental problem for the trait approach is that individual differences cannot be measured reliably: situations do not affect behavior. people are inconsistent. correlational methods do not clearly indicate effect size. QUESTION 19 Click Save and Submit to save and submit. Click Save All Answers to see all ans

Answer 1

The first 20 students may have been "early birds" and therefore already more likely to participate in class; the instructor should have used random assignment.