For teratogens that show a dose-response relation
a. the greater the exposure to the teratogen, the lesser the likelihood of a defect
b. the greater the exposure to the teratogen, the greater the likelihood of a defect
c. exposure to the teratogen can be beneficial at low levels
d. any level of exposure to the teratogen causes an equivalent likelihood of a defect
Answer: b. the greater the exposure to the teratogen, the greater the likelihood of a defect
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Cognitive development refers to lifelong changes in our
a) personalities. b) moral reasoning. c) thought processes. d) social interactions.
Why is nonresponse a problem in behavioral research?
a. it indicates antagonism toward behavioral research b. it increases the margin of error c. it destroys the advantages of probability sampling d. it makes the sample less economical e. nonresponse rarely creates problems in behavioral research