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controlling stimulus (S)
an event that precedes operant behavior and affects its occurence - it alters the probability of an operant, in the sense that the response is more (or less) likely to occur when the stimulus is present TERM 2
differential
reinforcement
DEFINITION 2 the procedure of alternating between periods of reinforcement and extinction TERM 3
stimulus control
DEFINITION 3 the change in behavior that occurs when either Sd or Sext is presented TERM 4
multiple schedule
DEFINITION 4 two or more simple schedules are presented one after the other and each schedule is accompanied by a distinctive controlling stimulus TERM 5
discrimination index
DEFINITION 5 Id = (Sd rate)/(Sd rate + Sext rate)
superstitious behavior
behavior that is accidentaly reinforced TERM 7
Differential reinforcement of other behavior
(DRO)
DEFINITION 7 reinforcement for any behavior other than the target operant TERM 8
behavioral contrast
DEFINITION 8 a negative correlation between the response rates in the two components of a multiple schedule TERM 9
Positive contrast
DEFINITION 9 rate of response in an unchanged setting increases with a decline in behavior in another situation TERM 10
negative contrast
DEFINITION 10 rate of response decreases in the unchanged component with increases in behavior in the other
errorless discrimination
the trainer does not allow the organism to make mistakes by responding to the extinction stimulus TERM 17
fading
DEFINITION 17 transferring stimulus control from one value of a stimulus to another TERM 18
retention interval
DEFINITION 18 the time between the offset of the sample stimulus and the onset of the comparison stimuli TERM 19
conditional discrimination
DEFINITION 19 a differential response to a stimuli that depends on the stimulus context
