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. 1910 Jan 15;3(8):232–243.
Promotion, Retardation, and Elimination
Edward L Thorndike
1
Edward L Thorndike, Ph.D.
1Teachers College, Columbia University
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1Teachers College, Columbia University
Copyright, 1909, by Lightner Witmer, Editor.
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PMCID: PMC5138913 PMID: 28909410
See "Promotion, Retardation, and Elimination, II" on page 255.