Kelsey measures how much people enjoy a new workout DVD that was just released and correlates those scores with their motivation to exercise. Contrary to her hypothesis that video enjoyment and exercise motivation would be positively correlated, she did not find a significant r. She notices that on her 5-point video enjoyment scale, everyone rates the video at a 4 or a 5. What could explain her nonsignificant findings?
a. A nonlinear relationship
b. Outliers
c. High Type I error
d. Restriction of range
Ans: D
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How does the current edition of Standards for Educational and Psychological Testing conceptualize validity?
a. Validity is a non-statistical measure for non-quantitative tests. b. Validity should only be assessed when reliability is low. c. Validity is a unitary concept that represents all evidence. d. Only one type of validity must be high and the others can be low.
Recent trends in therapy have been toward ________
a. short-term dynamic therapy b. more traditional psychoanalytic approaches c. longer-term humanistic approaches d. metaphysical spiritual approaches
In Western culture, negative attitudes about menstruation can be traced as far back as the
a. biblical Hebrews b. early Christians c. Puritans d. Victorians
A professor asks her class to consider the following question: "What would you do if you could do anything you wanted without being held responsible or accountable for your behavior?" This is a question about the effects of
a. cognitive dissonance b. the mere presence of others c. group polarization d. deindividuation