Scientists have studied how acupuncture is effective in reducing pain. One idea presented in your textbook suggests that:

A. the needles interfere with the sodium pumps in the neuron
B. it alters the magnetic wave energy surrounding your body
C. endorphins are secreted from stimulating points along the pain pathway
D. the brain is stimulated to produce aspirin


Answer: C

Psychology

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Longitudinal research conducted by developmental psychologist K. Warner Schaie indicates that inductive reasoning, spatial orientation, perceptual speed, and verbal memory begin to decline very gradually around age __________.

A. 50 B. 40 C. 30 D. 25

Psychology

Which characteristic affects whether a person develops expertise?

A. professional responsibilities B. gender C. genetic proclivity D. discrimination

Psychology

Having a high IQ doesn't always guarantee success. In fact, exceptional career success in music or sports is best predicted by ____________.

a. being goal oriented b. practice c. genetics d. giftedness classifications

Psychology

Although the overall divorce rate has declined in the past two decades, divorce among __________ couples is rising.

A. elderly B. middle-aged C. young adult D. teen

Psychology