PSYC 310 Chapter Notes - Chapter 1: James Mckeen Cattell, Lewis Terman, Robert Yerkes
20 Apr 2016
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His first task in writing this book was to establish that people differ in intellect. Main part of the book was devoted to establishing the hereditary basis of these differences in ability. His argument: eminence runs in families: ex: closer relatives were much more likely to be eminent than more distant relatives. Galton was the first to see the importance of the twin method of behaviour genetics. The following tests were used: keenness of sight and hearing; color sense; judgment of eye; breathing. Power; reaction time; strength of pull and of squeeze; force of blow; Fineness of sensory discrimination was a mark of intelligence. Two-point tactile threshold, just noticeable difference for weights, judgment of temporal intervals, reaction time, and letter span. Wissler"s experiment was flawed; there is in fact a correlation between reaction time and. Goddard, terman"s standford-binet test, and the army test: lewis terman produced the standford revision of the 1911 binet-simon scale, known as the.
