What is the typical dependent variable used in studies of the operant conditioning of lever pressing in rats?
a. the number of responses per minute
b. the cumulative record of lever presses
c. the average intensity of lever presses
d. none of the above
Answer b % correct 58 a= 9 b= 58 c= 13 d= 20 r = .50
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In the study of the effects of enriched environments on the development of rats,
the most enriched environment was a (a) cage with another, older rat (b) cage with other rats of the same age as the experimental subject (c) large area with soil, a log, other objects, and other rats (d) sort of merry-go-round apparatus called a running wheel, but with lights and sounds
The low levels of awareness associated with strokes and other forms of brain damage are examples of
a. preconsciousness. b. altered states of consciousness. c. sensory gating. d. simulated states of consciousness.