A __________ is a very frightening dream that occurs during REM sleep

According to the model of memory proposed by Atkinson and Shiffrin, _____ can hold information for less than 5 seconds, whereas _____ can hold information for 30 seconds or so

a) declarative memory; working memory b) iconic memory; sensory memory c) sensory memory; short-term memory d) implicit memory; metamemory

For which of the following cross-sectional research findings would you be MOST likely to suspect a "cohort effect" as the primary explanation? a. lower bone density among 70-year-olds than among 35-year-olds

b. faster recall of lists of words by 20-year-olds than by 60-year-olds c. higher percentage of blue-collar workers among 50-year-olds than among 30-year-olds d. a lower rate of marital satisfaction among couples in their 30s than among couples in their 50s