Researchsuggests that paternal alcohol use around the time of conception________
A) can alter gene expression
B) can cause fetal alcohol syndrome
C) is linked to blood vessel abnormalities
D) has no negative effect on the developing organism
Answer: A
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The discussion of working memory in elderly people pointed out that
a. elderly people and young adults do not seem to differ on any measures of working memory. b. elderly people show consistent deficits on working-memory tasks, in comparison with young adults. c. elderly people and young adults are most different from each other on easy working memory tasks. d. elderly people and young adults are most different from each other on difficult working memory tasks.
A major limitation of naturalistic observation in the study of human behavior is that ____.?
a. ?accurate observations can rarely be made b. ?there is no sure way to know the cause of the behavior being studied c. ?there is no sure way to account for the influence of context on behavior d. ?several observers are required, making it very expensive