Edwin happens upon a crime in progress but does nothing to assist the victims or even summon the police. Later, he says he was afraid for his personal safety. This type of explanation, which may help explain the inaction of witnesses in the case of Kitty Genovese, is best described by the principle of

a. perceived cost.
b. situational ambiguity.
c. diffusion of responsibility.
d. attributions of the cause of need. e. cognitive dissonance.

a

Psychology

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________ is a hormone secreted by the adrenal cortex that elevates blood sugar and protects the body's tissues in case of injury

a. Epinephrine b. Cortisol c. Norepinephrine d. Insulin

Psychology

Dan turned 35 the other day. He is keenly aware of biological changes that occur as he gets older. For which of the following is he likely to find a decline when compared to when he was 25 years old?

a) hearing, muscular strength, and vision b) hearing, sensitivity to odors, and vision c) hearing, muscular strength, and sensitivity to taste d) muscular strength, sensitivity to temperature, and vision

Psychology