The outcomes of preschool enrichment projects such as the Abecedarian Project indicate that
A) early intervention programs are ineffective.
B) children's achievement scores can be improved, but IQ is stable over time.
C) children's IQ scores can be improved through environmental intervention.
D) there is nothing conclusive to say about the effects of the environment on IQ.
C
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Even though she thought it was silly, Christina wore pink and green ribbons in her hair, as her friends did. This is an example of __________.
A. an attribution B. compliance C. conformity D. obedience
The difference between KR 20 and coefficient alpha is
a. KR 20 can be used to evaluate time sampling problems while alpha cannot. b. Alpha can be used to evaluate time sampling problems while KR 20 cannot. c. KR 20 can only be used for items scored right or wrong but Alpha can be used for items in any format. d. Alpha can only be used for items scored right or wrong but KR 20 can be used for items in any format.
Recent research suggests that a. the suppression of neurogenesis in the hippocampus is due to the connection between high stress hormones and depression. b. low hippocampal volume may precede and contribute to the onset of depression
c. electroconvulsive therapy seems to produce neurogenesis in the hippocampus. d. all of the above
With the _______ method, a predetermined percentage of employees are placed into one of five categories
a. paired comparison b. forced distribution c. rank order d. behavioral anchored rating scale