David Krech


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Yitzhok-Eizik (Isadore) Krechevsky, who changed his name to David Krech in 1944, was born on 27 March 1909 in a small town near the border of Lithuania and Belarus. Krech died on 14 July 1977 in Berkeley, California. In 1913, his family emigrated to the United States and settled in New Britain, Connecticut. He received his BA in 1930 and MA in 1931 from New York University. Krech carried out doctoral research at the University of California at Berkeley with Edward Tolman on “hypotheses” in rats. His results, which provided support for Tolman’s purposive behaviorism, showed that in solving discrimination problems rats tried out successive specific response strategies (hypotheses) until they achieved the correct solution. This marked the beginning of the continuity–discontinuity controversy in learning. After completing his PhD in psychology in 1933, Krech was awarded a National Research Council Fellowship that allowed him to spend the following year at the University of Chicago learning about neurophysiology from Karl Lashley.


From The Dictionary of Modern American Philosophers in Oxford Reference.

Subjects: Philosophy.

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