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A Note on the Validity and Difficulty of Items in Form A of the Otis Self-Administering Tests of Mental Ability
The Journal of Experimental Education
Vol. 5, No. 3, Statistics, Measurements, and Scientific Techniques (Mar., 1937), pp. 246-248
Published by: Taylor & Francis, Ltd.
Stable URL: http://www.jstor.org/stable/20150446
Page Count: 3