Independent variable is to dependent variable as _____ is to _____
a. manipulate; measure
b. measure; manipulate
c. controlled; uncontrolled
d. uncontrolled; controlled
a
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Which of the following is not a stage of cognitive development, according to Piaget?
a. Hypothetical b. Sensorimotor c. Concrete operational d. Preoperational
Ricardo complains of a lot of stomach pain. It turns out that he does have an ulcer, and his doctor suspects the ulcer has been brought on by his high-stress job. Ricardo has a(n) disorder
a. somatic symptom b. psychosomatic c. conversion d. factitious
Which of the following statements is true about sensitization and habituation?
a. Sensitization generally requires fewer exposures than habituation. b. Sensitization usually involves less stimulus generalization than does habituation. c. Sensitization is observed in one-celled organisms, whereas habituation is not. d. Sensitization occurs faster in individuals who are relaxed.
Endogenous morphines (endorphins) are examples of
A. monoamines. B. catecholamines. C. indoleamines. D. neuropeptides.