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Herrnstein, R. J.; And Others – Journal of Experimental Psychology: Animal Behavior Processes, 1976
Pigeons learned discrimination rapidly and responded differentially to pictures seen for the first time. The essential feature of a natural discrimination--which is the ability to cope with natural ranges of variation--was approached and earlier experimental results were extended using other classes of stimuli. (Author/RK)
Descriptors: Animal Behavior, Concept Formation, Data Analysis, Discrimination Learning