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A RESPONSE‐SPACING EFFECT: AN ABSENCE OF RESPONDING DURING RESPONSE‐FEEDBACK STIMULI 1
Author(s) -
Hake D. F.,
Azrin N. H.
Publication year - 1969
Publication title -
journal of the experimental analysis of behavior
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.75
H-Index - 61
eISSN - 1938-3711
pISSN - 0022-5002
DOI - 10.1901/jeab.1969.12-17
Subject(s) - stimulus (psychology) , stimulus control , reinforcement , psychology , neutral stimulus , audiology , pecking order , cognitive psychology , neuroscience , social psychology , medicine , evolutionary biology , nicotine , biology
In most studies of operant reinforcement a response‐feedback stimulus is used which is so brief that the nature of the responding during it is virtually undetectable. The present study investigated the nature of this responding by lengthening an initially brief feedback stimulus. The key‐pecking responses of pigeons were maintained by a variable‐interval schedule of food reinforcement. Each response produced a brief stimulus light in addition to the usual auditory response feedback. When the duration of the feedback stimulus light was gradually increased, it was found to control a nearly zero rate of responding. The result was a paced, metronomic‐like performance in which the pigeon made a single response, paused until the stimulus terminated, and then responded again. As a result, the overall response rate was greatly reduced; the mean interresponse time approximated the stimulus duration. A plausible interpretation is that brief feedback stimuli acquire control over responding because they coincide with few responses and few reinforcers. These findings show that in addition to their known functions as conditioned‐reinforcing stimuli and discriminative stimuli, response‐feedback stimuli also exert direct stimulus control: responding is reduced during the feedback stimulus itself.