A variable that is manipulated by the researcher in an experiment is called the _____________variable
a) correlative
b) dependent
c) control
d) independent
ANS: D
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What percentage of people over age 65 show some symptoms of a psychological disorder?
A. 10 to 20 percent B. 15 to 25 percent C. 25 to 30 percent D. 30 to 50 percent
A researcher correlates scores on a test (Test 1) with scores on other tests (Test 2 and Test 3). The analysis demonstrates that the scores on Test 1 correlate highly with scores on Test 2 but do not correlate with scores on Test 3 . This type of analysis is used to determine:
a. content validity b. construct validity c. concurrent validity d. predictive validity
An incision called an ___________ is sometimes made to increase the size of the opening of the vagina to allow the baby to pass
a. equilateral c. episiotomy b. epitome d. epidural
Jeanne is interested in developing a scale to measure entrepreneurial personality types. As an initial step in this research program, what should she do?
A. Make two groups of businesspeople play Monopoly, with different amounts of start-up money B. Observe several businesspeople in their natural environments C. Conduct a case study of famous entrepreneurs like Mary Kay, Estée Lauder, and Donald Trump D. Conduct a correlational study of the relationship between social status and social dominance