Learning and performance in the runway as a function of the shift in drive and incentive.

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Abstract
To investigate effects of shifts in 2 levels of hunger drive and 2 levels of food reward on the speed of running in a straight alley, 120 Sprague-Dawley albino rats were divided into 4 main groups during acquisition and subsequently redivided into 12 groups in the shift phase. During the acquisition phase, significant differences in performance due to drive level were found while the effect of magnitude of reinforcement proved not to be significant. Analyses of the shift groups revealed that the acquisition motivation conditions affected the performance in the shift phase and that the drive motivational variables played the major role in producing this "learning effect.".

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