Physics /Applied Behavior Analysis Stimulus Control
stimulus control
• Behaviors occur more often in the presence of an SD than its absence • occurs when the rate, latency, duration or amplitude of a response is altered in the presence of an antecedent stimulus
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Key Terms
Term
Definition
stimulus control
• Behaviors occur more often in the presence of an SD than its absence • occurs when the rate, latency, duration or amplitude of a response is altered...
stimulus generalization
stimuli that share similar physical properties evoke a response like the orginial stimulus
stimulus generalization gradient
graphically depicts the degree of stimulus generalization and discrimination by showing the extent to which responses reinforced in one stimulus condi...
stimulus discrimination training
requires one bx and two antecedent stimulus conditions. responses are reinforced in the presence of one stimulus condition, SD, and not the other S-de...
concept formation
complex example of stimulus control that requires both stimulus generalization with a class of stimulus discrimination between classes of stimulus
antecedent stimulus class
set of stimuli that share a common relationship. all will evoke the same operant response class or elicit the same respondent BX
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| Term | Definition |
|---|---|
stimulus control | • Behaviors occur more often in the presence of an SD than its absence • occurs when the rate, latency, duration or amplitude of a response is altered in the presence of an antecedent stimulus |
stimulus generalization | stimuli that share similar physical properties evoke a response like the orginial stimulus |
stimulus generalization gradient | graphically depicts the degree of stimulus generalization and discrimination by showing the extent to which responses reinforced in one stimulus condition are emitted in the presence of untrained stimuli |
stimulus discrimination training | requires one bx and two antecedent stimulus conditions. responses are reinforced in the presence of one stimulus condition, SD, and not the other S-delta |
concept formation | complex example of stimulus control that requires both stimulus generalization with a class of stimulus discrimination between classes of stimulus |
antecedent stimulus class | set of stimuli that share a common relationship. all will evoke the same operant response class or elicit the same respondent BX |
arbitrary stimulus class | stimuli that evoke the same response but do not share a common stimulus feature (they do not share physical form or relational relationships |
feature stimulus class | stimulus class that share common physical or common relative relations |
stimulus eviquivance | emergence of accurate responding to untrained and non reinforced stimulus-stimulus relations. following reinforcement of responses to some stimulus-stimulus relations. |
reflexilty | occurs when the absence of training and reinforcement a response will select a stimulus that is matched to itself; A=A |
symmetry | occurs with reversibility of the sample stimulus and comparison stimulus; if A=b then B=A |
Transitivity | an untrained stimulus-stimulus relation that emerges as a product of training 2 other stimulus-stimulus relations; A=B and B=C, so A=C |
response prompts | operate directly on the response; - verbal instructions - modeling - physical guidance |
Stimulus prompts | operate directly on the antecedent task stimuli to cue a correct response in conjunction with an SD; use movement, position and redundancy |
Transfer of stimulus control from response prompts to naturally occurring stimuli | • most to least prompts • gradual guidance • least to most prompts • time delay |
Transfer of stimulus control using stimulus control shaping | • stimulus fading • stimulus shape transformations |
stimulus delta | a stimulus in the presence of which a given behavior has not produced reinforcement in past |
matching to sample | a procedure for investigating conditional relations and stimulus equivalence. Trail begins with the participant making a response that presents or reveals the sample stimulus, next the sample stimulus may or may not be removed and 2 or more comparison stimuli are presented. participant selects comparison stimuli. Responses that comparison match sample are reinforced. |