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pro vyhledávání: '"Marsha D. McCrary"'
Publikováno v:
The Journal of general psychology. 113(1)
Five groups of albino rats were trained in a straight runway for 44 pre-shift trials, 2 trials per day with a 3- to 5-min intertrial interval (ITI). Two of the groups (30-0 and 30-3) received 1 ml of 30% sucrose solution as a reward, two groups (3-0
Publikováno v:
The Journal of General Psychology. 111:25-30
Summary To establish the reliability of the finding that runway-trained rats show clear preshift superiority if the reward is 12 sucrose pellets, as opposed to one, but do not show the successive negative contrast effect (SuNCE) when reward is reduce