An Absolute Point Scale for the Group Measurement of Intelligence
The book An Absolute Point Scale for the Group Measurement of Intelligence was written by author Arthur S Arthur Sinton Otis Here you can read free online of An Absolute Point Scale for the Group Measurement of Intelligence book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is An Absolute Point Scale for the Group Measurement of Intelligence a good or bad book?
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If, therefore it is desired to give equal weight to each test, the score of an individual in each test must be trans- rrmted into other terms, say "points, " such that equal increments of ability in each test receive equal increments of points. It is con- venient, also, while assigning point values to the scores in the sev- eral tests, to arrange that correspondihg amounts of ability in the several tests shall 'receive corresponding numbers of points. The first of these conditions is essential ...and the second convenient for the purpose of averaging scores properly; both conditions are essential for the purpose of comparing scores in the several tests with one another. . ; If it seemed reasonable . To assume that for the in- dividuals of a given group, the ability possessed by the upper 25% in any test was as much above that possessed by the upper 50% as that ability was above the ability possessed by the upper 75%, and if the ability in any one test was considered equal to that in any other test which was possessed by the same percentage of individuals, then the first of the above mentioned conditions would be complied with by representing the difference between upper 25% and upper 50% ability in each of the several tests by some number of points (say 10), and the difference between upper 50% and upper 75% ability in each of the several tests by that same number of points (10).
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