When the internal consistency of a test is being determined on the basis of
the Kuder-Richardson formula (KR21), then it should NOT be followed by
a. any attempts to determine predictive validity
b. any attempts to determine concurrent validity
c. the Spearman-Brown prophecy formula
d. none of these, since the KR21 is NOT an internal consistency measure
c
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Assume that each of the following individuals has a diagnosis of bulimia nervosa. Which one of them is most likely to engage in an episode of binge eating at this point?
a. Penelope, who is upset over failing two exams and just had an argument with her parents b. Farrah, who is wondering what will happen to her town now that a major employer has cut back on jobs c. Diane, who is watching television and feels sleepy as she listens to the reports of political polls d. Suchira, who just won a scholarship to the college she wanted to attend and is going out to celebrate
When we refer to a score's deviation, we are referring to
a. how far it is from other scores. c. how close it is to the other scores. b. how far it is from the mean. d. how much error occurred in measuring it.
A __________-report method is a form of data collection in which people are asked to rate or describe their own behavior or mental state. They are usually conducted in the form of questionnaires or interviews
a. self b. reflective c. interactive d. first-person
Psychostimulants are used to treat ______
a. manic episodes c. major depressive episodes b. bipolar disorder d. attention-deficit hyperactivity disorder