Cohort effects are a characteristic of
A. mixed longitudinal studies.
B. longitudinal studies.
C. observational studies.
D. cross-sectional studies.
Answer: D
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Answer the following statement true (T) or false (F)
The person most closely associated with research on learned helplessness is _____
a) Thorndike. b) Wolpe. c) Seligman. d) Bandura.
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