If the correlation on a trait were .75 for identical twins, .55 for siblings, .23 for cousins, and .11 for genetically unrelated adopted siblings, one could conclude that
a. heredity plays no role in that trait.
b. environment plays no role in that trait.
c. heredity is a prime contributor to that trait, but environment also plays a role.
d. environment is the prime contributor to that trait, with heredity making only a minor contribution.
C
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To reduce the risk of SIDS, experts recommend __________.
A. not exposing babies to environmental factors that impact breathing, such as excess heat or secondhand smoke B. a soft sleeping surface C. putting infants to sleep on their stomachs D. keeping infants extremely warm during the night, so they will not catch a cold
Which perspective largely ignores subjective personal or cultural meanings, cognitions and emotions?
a. Kelly's ecological concepts b. O'Donnell's activity setting concepts c. Barker's behavior setting concepts d. Moos's social climate approach
According to goal setting theory, an employer can increase employees' motivation to reach goals by _____
a) having them participate in setting the goals. b) making their employment depend on doing so. c) making the goals super easy. d) stating the goal in general terms.
Social contact __________________________________.
a. especially social contact that is approved and encouraged by authority structures leads to declines in prejudice b. of any kind typically increases problems between groups c. of any kind has no effect on group prejudices d. not specifically sanctioned by peers is best at decreasing intergroup prejudices