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
c
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Dystrophin, the protein that is affected by muscular dystrophy, normally acts to a. protect muscle fiber membranes during movement
b. clear the interior of muscle fibers of excess calcium. c. allow myosin and actin to interact during muscle contraction. d. protect muscle spindles from too much stretching during movement.
Which example best illustrates the concept of theory of the mind??
a. ?Brandon’s brain controls his body, and his mind controls his thoughts and emotions. b. ?Javier reads a passage in a book, and draws from his past experiences to understand its meaning. c. ?Stephanie understands that she is looking at a flower because of the coordinated processes of sensation and perception. d. ?While walking down the street, Camilla turns the corner to avoid a man with an angry look on his face.
In the early months, infants
A) have only a limited capacity to regulate their emotional stress. B) are unable to regulate any form of emotional stress. C) are not very easily overwhelmed. D) rely primarily on self-soothing for distraction and reorientation of attention.
Evelyn is neurotic, whereas her friend Sadie is low in neuroticism. It is most likely that as the two friends age,
A) Evelyn will become happier than Sadie. B) Evelyn will become unhappier. C) Sadie will become more neurotic. D) Sadie will become happier.