Operant conditioning is a type of learning in which the probability of a response is changed by a change in its consequences
a. true
b. false
Answer: a. true
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In 1936, Canadian researcher Hans Selye discovered that giving injections to laboratory rats caused them to develop ulcers. His finding led to a new area of study called a. stress physiology
b. stress psychology. c. animal psychology. d. psychosomatic pathology.
______ is the average squared difference between the scores in each group and the group mean.
A. Within-subjects variance B. Between-groups variance C. Within-groups variance D. Between-subjects variance
Lie detectors measure
a. general emotional arousal. b. a physically unique "lie response.". c. feelings such as guilt and anger. d. muscular responses.
The families of patients with anorexia nervosa are typically characterized as
A. dysfunctional and disorganized. B. tend to attribute their problems to other people and often deny or ignore conflicts or negative feelings. C. reserved and quiet. D. no different than the average family.