Stereotypy and Intermittent Reinforcement

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Science  30 Jun 1961:
Vol. 133, Issue 3470, pp. 2067-2069
DOI: 10.1126/science.133.3470.2067-a


Three pigeons were trained to peck at a horizontally oriented rubber srtip 10 in. long. The spatial distribution of responding along this strip is found to be nonrandom when every peck is reinforced with food. The degree of nonrandomness increases markedly when the pecking is intermittently reinforced