Sally and her granddaughter play peekaboo regularly. At first, Sally starts the game and her granddaughter is an amused observer. By 12 months, the granddaughter actively participates, trading roles with Sally. Sally is helping her granddaughter ________.
A. learn how to overextend and underextend
B. understand the turn-taking pattern of human conversation
C. develop a referential style of communication
D. understand telegraphic speech
Answer: B
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What do all mood disorders have in common?
A. The presence of a negative mood state B. They are at least six months in duration. C. The presence of irrational thoughts D. They are characterized by emotional extremes.
A theorist with a(n) _____ perspective would be most likely to focus on the interaction between a changing environmental context and a person who is producing changes in the environment
a. psychoanalytic b. systems c. discontinuity d. operant conditioning
Compared to people who do not cohabit before marriage, those who do are more likely to
A) experience greater marital satisfaction after marriage. B) have parents who were divorced. C) have more conventional values. D) be less accepting toward divorce.
Partially recoverable baselines pose few problems for analysis as long as:
A. the drift evident in the baseline is systematic and is in a downward direction. B. the drift evident in the baseline is systematic and is in an upward direction. C. a clear, replicable change remains in the levels of performance across treatments. D. All of the answers are correct.