Research on the extent to which adult communication helps children correct errors and take the next grammatical step forward shows that such techniques
A) are actually negative in outcome because children become overly frustrated.
B) make no demonstrable difference in grammar development.
C) are inconclusive in their impact.
D) are dramatic in effect across cultures.
C
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Helmholtz's work included the first systematic experimental demonstration of the sensory threshold
a. True b. False
When her parents first hung the new mobile over her crib, Hannah paid a great deal of attention to it. But as time passed, Hannah paid less attention to the mobile, looking at it less often and for shorter periods of time. Hannah is exhibiting
a. habituation. c. recovery from habituation. b. dishabituation. d. negative reinforcement.
Dr. Lee advanced a theory that prescribes that nearly all adults go through an ordered series of five "life conflicts" that define how adult development unfolds
This type of theory fits best into which of the following theoretical approaches? a. a cognitive development model b. a context model c. a stage model d. a postformal model
______________ is an individual's overall and specific positive and negative self-evaluation (which is more emotionally oriented); whereas ______________ reflects beliefs and cognitions about the self
a) Self-concept; self-esteem b) Self-esteem; self-concept c) Self-esteem; social comparison d) Social comparison; self-concept