Ch. 6 Flashcards
2 kinds of stimulus change
1) stimulus presentation
-something new added to enviro.
-if stimulus presentation increases behavior above its baseline level, then it functions as a positive reinforcer (SR+)
2) stimulus removal/reduction/prevention
-neg. reinforcer
-removal/reduction: escape (SRE-), increases behavior above baseline
-prevention: avoidance (SRA-)
negative reinforcement - avoidance (SRA-)
consequent prevention of stimulus change, the effect of which is to increase operant behavior above its no-reinforcer baseline level
pos. reinforcer examples
-food, water, electric brain stimulation
-drugs, social reinforcers
neg. reinforcer examples
SRE-: medication, addictive drugs
-SRA-: vaccinations
how are pos./neg. reinforcers similar?
1) both consequences
2) both increase behavior above a baseline (no-reinforcement level)
how are pos./neg. reinforcers different?
presentation vs. removal/reduction/prevention
-individuals usually prefer pos. > neg. reinforcement
-neg. reinforcers may influence behavior more than pos. reinforcers
2 differences of SRE- and SRA-
1) in the case of SRA-, the aversive stimulus isn’t present when the operant behavior occurs
-warning stimulus typically precedes operant response
2) operant response prevents aversive stimulus change from happening
2 theories of SRA-
1) two-factor theory
2) one-factor theory
two-factor theory
avoidance responses do produce a consequence: fear reduction
-warning stimulus evokes fear and avoidance response has consequence of terminating fear
-fear reduction is consequence that serves as SRA-
2 learning processes that 2-factor theory relies on 2 learning processes
1) Pavlovian conditioning
-explains why fear arises
–warning stimulus is CS that evokes fear
2) operant conditioning
-explains why avoidance behavior occurs
–fear reduction is consequence that functions as SRA-
one-factor theory
holds that operant conditioning alone can explain SRA-
3 reasons for distinguishing between positive and negative reinforcement
1) heuristics
-remember all options
-consequences can be presented (SR+), removed/reduced (SRE-) or prevented (SRA-)
2) loss aversion
-tendency for loss prevention (SRA-) to influence behavior more than presentation of same stimulus (SR+)
3) preference for pos. reinforcement
Organizational Behavior Management (OBM)
systematic application of positive reinforcement in workplace settings
-behavior analysts consult with companies to integrate positive reinforcement in the workplace
3 objections to reinforcement
1) intrinsic motivation
2) performance-inhibiting properties of reinforcement
3) cheating
intrinsic motivation
natural drive to engage in behavior because it fosters a sense of competence
-enhanced by verbal extrinsic reinforcers