A researcher conducts an experiment to examine the effect of exercise on memory. Exercise is the ______.
A. confound
B. placebo
C. dependent variable
D. independent variable
Ans: D
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Describe the problems that are associated with attempts to define abnormal behavior in terms of (a) personal distress and (b) statistical rarity
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Extremely low-birth-weight infants are
a. defined as having a birth weight of less than three pounds. b. unlikely to have medical issues that last beyond childhood. c. at risk for blindness, deafness, and autism. d. becoming significantly rarer.
A client should always be viewed , and their disorder
a. first; second b. second; first c. first; simultaneously d. as a person; as a disease
In a true experiment, the researcher _______ variables, and in a quasi-experiment the researcher _______ variables
a. manipulates, observes b. observes manipulates c. controls, assigns d. assigns, records