Abstract
Fifty-six rats were trained to press a bar to terminate shock. Different groups were trained with different force requirements and different response feedback conditions. Under most conditions the modal response latency became very short, 0.1 sec or less, which indicates that at least much of the time the response should not be considered an operant.
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1. Supported by Research Grant GB-5694 from the National Science Foundation.
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Bolles, R.C., McGillis, D.B. The non-operant nature of the bar-press escape response. Psychon Sci 11, 261–262 (1968). https://doi.org/10.3758/BF03327690
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DOI: https://doi.org/10.3758/BF03327690