Abstract
Let me begin by stating what I believe to be a terribly important rule of experimental psychology: In at least 90 % of the studies published in psychological journals, the most important factors influencing the animals’ behavior were those factors the investigators did not measure, did not control, did not mention in their written reports, and probably did not even know about. The rest of this paper is an attempt to prove the validity of this particular point with specific reference to the planarian literature, although I shall begin by talking about rats.
Keywords
Conditioned Stimulus Unconditioned Stimulus Conditioned Response Classical Conditioning Maze Learning
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References
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© Springer Science+Business Media New York 1967