What was the most critical lesson about teratogens learned from studies on the use of the drug DES by pregnant women?
a. Sometimes what appear to be teratogens actually are harmless drugs
b. Infants in the late fetal period appear to be the most at risk for impact from drug-related teratogens.
c. Sometimes the effects of teratogens are not apparent until long after exposure.
d. Females appear to be at much greater risk from teratogens.
c
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In a typical learning experiment, a carry-over effect is
a. something to be avoided at all cost. b. a necessary evil. c. unlikely to be present. d. what you are actually studying.
Good health-promoting behaviors include
a. not smoking cigarettes. b. not consuming more than two alcoholic drinks per day. c. providing for periods of relaxation every day. d. all of these.
In a series of studies comparing the thinking of children and adolescents, researcher Paul Klaczynski was able to show that adolescents are more likely to commit errors of ______
Fill in the blank with correct word
Suppose a 3 × 2 between-subjects design had 10 participants randomly assigned to each cell. The degrees of freedom for an interaction term are ______ for this design.
A. 1 B. 2 C. 3 D. 5