Psychologist ___________ suggests that people are genetically predisposed to be wary of objects and situations that pose realistic threats to their safety

Activity in which brain region most directly causes the onset of sleep?

a. the release of acetylcholine. b. activation of the cerebral cortex. c. day/night cycles. d. muscle paralysis. e. rapid eye movements.

Case histories are descriptive methods in which anindividual child is studied at length. This

method is most appropriate to employ when a. determining the influence of TV watching on aggression. b. assessing atypical development. c. studying effective memory strategies when learning the American presidents. d. setting developmental norms.