The only vending machine in your dorm is notorious for delivering its merchandise only occasionally when people put money in it. This is most similar to a _______ schedule of reinforcement

a. fixed interval
b. fixed ratio
c. variable interval
d. variable ratio


d

Psychology

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Pseudoscience promises easy fixes to life's problems and challenges

Indicate whether this statement is true or false.

Psychology

Dr. Johnson was wrong when he predicted that his patient would not physically abuse his wife. This is an example of a __________.

A. false negative B. true negative C. true positive D. false positive

Psychology

Which statement about out-group prejudice is true?

A. It emerges before in-group favoritism develops. B. It involves wanting people who are outside one's group to become part of one's group. C. It involves the desire to change one's group membership. D. It occurs when people acquire negative attitudes about people perceived as being different from one's group.

Psychology

Delirium tremens is characterized by disorientation, severe agitation, high blood pressure, and fever, and usually begins about 3 days after general withdrawal symptoms

Indicate whether the statement is true or false

Psychology