Improvement during practice is highly variable across functions and stages, with final abilities in different functions correlating only about 0.4¶

Claim · All claims
Evidence · 1 study · associational r? · q2 · i3 large
Currency · newest study 1922 · not yet checked against its sources · not reviewed by a person

Subclaims¶

q2 i3 Final ability in one practiced function correlates about 0.4 with final ability in other functions, and improvement in one function does not generally indicate similar improvement in others. → Gates 1922

Evidence¶

Gates 1922¶

Gates, Arthur I. (1922). Educational psychology at the Princeton meeting of the American Psychological Association. The Journal of Educational Psychology. https://en.wikipedia.org/wiki/Journal_of_Educational_Psychology

q2 · i3 · associational · r?

Conference report of G. S. Gates (Barnard) practice study in which subjects practiced a variety of functions; the report states improvement was "extremely variable" and uncorrelated across halves of the practice period. The printed correlation of about 0.4 (r = 0.4) between final abilities in different functions is reported as printed.

"Final ability in one function gave correlations of about 0.4, with final ability in others, these correlations being considerably higher than correlations between initial scores in the several functions."

Discussion¶

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