When an observed result reaches “statistical significance,” it means that
A. the result is unlikely to be due to chance.
B. the results are generalizable.
C. we should accept the null hypothesis.
D. we have conducted inferential statistics.
Answer: A
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Systematic research on the effectiveness of cognitive behavioral couple therapy (CBCT) indicates what kind of results?
a. higher divorce rates for participating couples after 5 years b. less effective than individual therapy for 90 percent of participating couples c. significant improvements in about half the participating couples d. very significant short and long term improvement for 70 percent of participating couples
How are proximity to others and the establishment of friendships related?
a) not related b) positively related c) negatively related d) inversely correlated
Adoption studies focusing on the heritability of traits have _____________
a) disputed the findings of twin studies b) been attacked for ethical reasons c) confirmed what twin studies have shown d) shown that twin studies have methods that need to be reexamined
In the context of information processing, retrieval is defined as the process by which:
A. information is prepared for long-term storage. B. information is retained in memory for further use. C. information is accessed or recalled from memory storage. D. working memory is transformed to short-term memory.