Which of the following is true about endorphins?
a. They may produce the pleasurable "runner's high.".
b. They may increase the functioning of the immune system.
c. They may increase our sense of competence.
d. all of these
D
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Rewarding a patient when he/she performs desired behaviors and withholding rewards when he/she performs undesired behaviors in a psychiatric hospital is an example of
a. contingency management. b. survival of the fittest. c. dependency among patients. d. supply and demand to therapy activities.
Karen and Katie are both pregnant. Katie smokes 10 cigarettes per day, and Karen smokes 20 cigarettes per day. This illustrates which of the following principles of teratogenic effects?
A. dose B. timing of exposure C. genes D. cumulative effect
The special information required by the depth cue of convergence is provided by the
a. optic disk. b. conjunctiva. c. eye muscles. d. optic chiasma.
Achieving uniformity and reliability in lab members and procedures across tasks is termed:
A) protocol development. B) reactivity. C) standardization. D) validity.