Nine-month-old baby Luke and ten-month-old baby Simone are sitting in the play area together at the day care center. They smile at each other, present each other with toys, and accept toys from each other. This behavior is __________
a) modeling
b) infant sociability
c) reciprocal socialization
d) mutual regulation model
Answer: b
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In general, use the past tense
a. in the review of studies in the introduction and in the method. b. only in the method. c. only in the introduction. d. only in the results.
Berlyne’s (1970) explanation for mere exposure effects focused on ______.
a. habituation and boredom b. habituation and perceptual fluency c. boredom and perceptual fluency d. self-enhancement and perceptual fluency
Psychoactive drugs influence the activity of the brain by causing more of which of the following substances to be released or by prolonging or by mimicking these substances' actions?
a. neurotransmitters b. charged positrons c. sodium ions d. potassium ions
A college student with a "D-" average tells her parents that school is going well and
refuses to admit to herself that she might fail. Her defense mechanism is ______. a. denial c. sublimation b. repression d. reaction formation