Psychologists study animals because

A) animal behavior is just as complex as human behavior.
B) experiments on people are generally considered to be unethical.
C) the ethical treatment of animals is not mandated by professional guidelines.
D) similar processes often underlie animal and human behavior.

A decrease in the brain's production of endorphins has been associated with repeated use of

A) opiates.
B) depressants.
C) stimulants.
D) alcohol.

Very low birth weight refers to a weight less than how many pounds?

A) 6.5
B) 5
C) 4
D) 3.5

The fact that one function of culture is to adapt people to the metaphysical environment suggests that cultures:

A) sometimes distort reality.
B) almost always provide accurate information.
C) only last a few generations.
D) are inevitably negative in their consequences.

What happens when the process of talking about a dilemma results in moving the group toward a more extreme view?

A) Social loafing
B) The bad apple effect
C) The commons dilemma
D) The risky shift

Features of ________ have been observed to be common among people from a wide variety of cultures.

A) emotional stability
B) self-efficacy
C) the Big Five traits
D) reciprocal determinism