When scores from a test correlate with other measures of the same construct, researchers can determine the test's
A. face validity.
B. congruent validity.
C. construct validity.
D. discriminant validity.
B
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You haven't seen your 14-year-old cousin in a few years because she lives across the country. Your aunt and cousin have come to visit over summer break and you are amazed at how tall she has grown since you last saw her. Her height is a result of __________.
A. secondary sex characteristics B. primary sex characteristics C. the adolescent growth spurt D. asynchronicity
According to children's responses in a research study, what is the least important way that children should behave toward their elderly parents?
A. living close to the parent B. writing to them once a week C. believing a parent should live with a child D. visiting once a week
Given that antidepressant medications have been demonstrated to be effective, why are other treatments for depression still used?
a) The medication is effective only for the first few weeks of use. b) Medication is effective in treating bipolar but not unipolar patients. c) The medications are only effective for children and adolescents. d) Patients often relapse after they stop taking the medication.
The sampling distribution of means assumes normality only when
a. all samples are randomly selected b. all samples have been selected from a single population c. the samples represent groups of sufficient size d. all of these