The literature on short forms of individual intelligence tests ― Wechsler's scales in particular ― is critically reviewed. The review is structured around four choice-points faced by those who study short forms: how to abbreviate the original scale, what kind of subject sample to use, how to estimate IQs on the original scale, and what criteria to apply in evaluating a short form
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A. B. Silverstein (1990) studied this question.
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