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Canada (158,426)
Psychology (9,578)
PSYB45H3 (1,061)
Chapter 7

Chapter 7

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University of Toronto Scarborough
Zachariah Campbell

Chapter 7 Stimulus Control: Discrimination and Generalization Operant behaviour is strengthened when it is followed by a reinforcing consequence Weakened when reinforcing consequence no longer follows behaviour (extinction) Antecedents- stimulus evens that precede an operant response Antecedents of behaviour are stimulus events, situations or circumstances that are present when it occurs or were present before behaviour When understand antecedents of operant behaviour, have information on circumstance in which behaviour reinforced and circumstances in which behaviour not reinforced or was punished Effects of reinforcement, extinction, punishment are situation-specific Stimulus control- behaviour was more likely to occur when specific antecedent stimulus was present Behaviours usually dont occur randomly, they occur in specific situation Developing Stimulus Control: Stimulus Discrimination Training Antecedent stimulus that is present when behaviour is reinforced is known as discriminate stimulus (SD) Stimulus discrimination training: process of reinforcing a behaviour only when specific antecedent stimulus (SD) 2 steps involved in stimulus discrimination training: o When SD is present, behaviour is reinforced o When any other antecedent stimuli except SD are present, behaviour is not reinforced. During discrimination training, any antecedent stimulus that is present when behaviour is not reinforced is called S-delta (S) Result of discrimination training, behaviour more
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