In twin studies the key comparison involves determining how many pairs of twins either have the same disorder or are free of the disorder; this involves the calculation of

a. discordance rates.
b. concordance rates.
c. shared environment rates.
d. nonshared environment rates.


Answer: b.

Psychology

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Stage two of sensate focus involves "genital pleasuring" but prohibits intercourse or orgasm. The main purpose of this stage is to

A. allow an individual to communicate his or her desires to a partner. B. allow sexual experience without the anxiety of performance. C. change the usual ways that the couple has tried to have sex. D. provide increased anticipation of intercourse.

Psychology

June's mom is concerned that she is not eating a well-balanced diet. One solution is to

A) make sure she eats three healthy meals a day, but allow at least one junk food snack between meals. B) keep cheese, fruit, raw vegetables, and peanut butter readily available for snacks. C) make sure to have new, novel healthy food items available for snacks. D) allow her to make her own food choices because children naturally select balanced diets.

Psychology

Dominique is high on the trait of conscientiousness. It is likely that Dominique will __________.

A. rarely be late to an event B. consistently be late to scheduled events C. never be late to scheduled events D. not apologize after arriving late to an event

Psychology

Awareness of death often causes midlife adults to ______.

A. increase risky behavior B. avoid intimate relationships C. make earning a living a priority D. reevaluate priorities

Psychology