The onset of eating disorders was shown to occur most often during puberty and during the late teen years in girls. A distribution of the frequencies of onset of eating disorders by age would most likely be
a. unimodal.
b. normal.
c. bimodal.
d. all of the above
C
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Which type of allele is ignored when found in a heterozygous gene pair?
a. masked b. dominant c. typical d. recessive
Heritability refers to the extent to which _________ in any trait within a population are attributed to inheritance
a. similarities c. mutations b. differences d. commonalities
Physical activity during ____ may protect against developing ____ in late adulthood
a. adolescence, dementia (e.g., Alzheimer's disease) b. adolescence, Parkinson's c. midlife, pseudodementia d. midlife, dementia (e.g., Alzheimer's disease)
After reading an account of a man who runs inside a burning building to rescue two strangers who have succumbed to the smoke, a friend wonders out loud what compels people to risk their lives for the sake of others
Having overheard him, you decide to explain some possible reasons why people engage in such behavior. Be certain to clearly define altruism and explain its roots. Discuss how psychologists explain altruistic behavior toward kin and nonkin. Explain how bystander intervention has been studied in the laboratory, and what has been learned about the effects that the situation has on helping behavior. What will be an ideal response?