Which of the following has not been suggested as an explanation for the teratogenic effects of alcohol?
a. Alcohol interferes with normal cellular production, differentiation, and migration.
b. Alcohol metabolism requires substantial amounts of oxygen, making less oxygen available to the fetus.
c. Alcohol increases the muscular activity of the fetus, making less oxygen available for cellular needs.
d. Alcohol causes delays and errors in neuronal migration in the brain.
C
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The concept of emotion is the same across various cultures of the world
a) True b) False
The authors’ speculative discussion of the S-R and S-S theories of classical conditioning begins and ends with a caveat, namely, that their speculation is unscientific. It is unscientific because
a. it fails to refer to the theories in quantitative terms. b. it refers to imagined events rather than observed events. c. classical conditioning is not scientifically respectable. d. in reality, there is only one theory of classical conditioning.
Which theory best explains the finding that parents' lifespans predict those of their children, and identical twins share more similar lifespans than do fraternal twins?
A. aging immune system B. cellular mutation C. programmed genetics D. free radicals
When test developers correlate test scores with the criterion scores, the resulting number is called the
a. content coefficient. b. criterion coefficient. c. reliability coefficient. d. validity coefficient.