The just noticeable difference (JND) is the:
A) decreasing sensitivity to a stimulus over time.
B) minimal change in a stimulus that can just barely be detected.
C) minimal intensity needed to just barely detect a stimulus.
D) ability to detect a stimulus in the presence of noise.
B) minimal change in a stimulus that can just barely be detected.
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In the context of the sexual response cycle,__________is muscle tension, which causes grimaces, spasms in the hands and feet, and the spasms of orgasm
A) vasocongestion B) myotonia C) ejaculation D) refraction E) Select
Which best describes the behavior of a maximizer?
A. scanning all the radio stations when you drive into a new area B. listening to whatever song your car passenger wants to hear C. listening to the first radio station that gets clear reception D. scanning radio stations until you find one that plays country music
Which one of the following is not one of the four goals of psychology?
a. to explain the causes of behavior c. to judge behavior b. to predict behavior d. to control behavior
Some of the most convincing evidence that helps to explain the observed increase in the incidence of anorexia nervosa and bulimia nervosa over the past half century is
A. improved diagnostic and reporting practices. B. concurrent increases in the rate of depression. C. the generally improved health of the society and an increased emphasis on diet and exercise. D. a strong relationship between exposure to media images depicting the thin-ideal body and body image concerns in women.