PSYB45H3 Chapter 7: PSYB45 Chapter 7 Detailed notes
16 Feb 2012
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Stimulus control: discrimination and generalization: operant behavior is strengthened when it is followed by a reinforcing consequence, weakened when reinforcing consequence no longer follows the behavior (extinction) Particular behavior is more likely to occur in presence of particular discriminative stimulus because behavior has been reinforced only when sd was present. Sd has stimulus control over behavior: behavior is said to be under stimulus control when increased probability that behavior will occur in presence of specific antecedent stimulus or stimulus from specific stimulus class. Developing stimulus control: stimulus discrimination training: discriminative stimulus: antecedent stimulus that is present when behavior is reinforced. Stimulus discrimination training: process of reinforcing behavior only when a specific antecedent stimulus is present. Two steps involved in stimulus discrimination training: 1. When sd is present, behavior is reinforced: 2. When other antecedent stimuli except the sd are present, behavior isn"t reinforced.
