PSY 362 Chapter Notes - Chapter 10: Lewis Terman, Mental Age, Decimal Mark
26 Mar 2018
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William stern : coined the term mental age and suggested intelligence quotient as a way of quantifying intelligence. Mental age : determined by child"s performance on. Intelligence quotient (iq) : mental age divided by the binet-simon tests chronological age. Example: a 7 year-old passed all tests typically passed by 7 year-olds, their iq could be 7/7, or. 1. 00; if another 7 year-old passed tests typically passed by 5 year-olds, their iq would be 5/7, or . 71. Lewis terman suggested that iq should be multiplied by 100 to remove a decimal point. Binet opposed to using the intelligence quotient because he believed intelligence to be too complex for a simple term or number. Charles spearman : using an early form of factor analysis, he found that intelligence comprised of specific factors (s) and general intelligence (g) Not only did measures of sensory activity correlate highly among themselves, but, more important, they also correlated highly with cleverness in school .
