A rat presses a bar when a light is on but not when it is off because in the past a
bar press has been reinforced when the light was on but not when it was off. The light is
a/an
(a) reinforcer
(b) positive reinforcer (c) negative reinforcer
(d) partial reinforcer (e) discriminative stimulus
E
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The effects of endorphins are similar to the effects of:
A. dopamine B. caffeine C. nicotine D. morphine
The younger infants are, the more likely they are a. to fully remember their experiences.b to remember their experiences in bits and pieces
b. to forget their experiences permanently. c. to forget their experiences throughout childhood but remember them as adults.
Older adults can be helped to find resolution for old conflicts and achieve a sense of meaning in their lives by
a. orientation to person, time, and place b. encouraging reminiscence of times past c. reorientation to present time and place d. discussion of recent events e. none of these
Ainsworth innovated the __________ method to study attachment
a. strange situation c. visual cliff b. maternal preference d. maternal tracking