Abstract
One-hundred-eighty Ss received 60 acquisition trials under 22 h food deprivation and 30 extinction trials with nine different food drive levels for different groups. A regular increase in extinction running speed with drive was observed early in extinction.
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The experiment reported in this article was performed at Northwestern University with the support of National Science. Foundation Grant NSF G-8706. Preparation of the manuscript was supported by a faeulty research grant from the University of Califomia, Santa Barbara. Appreciation is expressed to John Nielsen and Norman Spear for assistance.
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Cotton, J.W., Hill, W.F. & Shanab, M.E. Extinction under nine food deprivation levels1. Psychon Sci 14, 37–38 (1969). https://doi.org/10.3758/BF03336414
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DOI: https://doi.org/10.3758/BF03336414