Since their introduction in America, the theory and techniques of Feuerstein's Learning Potential Assessment Device (LPAD) and the related Instrumental Enrichment (IE) program have enjoyed substantial popularity among some educators. In our view, the reasons for this popularity are based more on philosophical considerations than on technical adequacy. In arguing this position, we critique Feuerstein's theory on semantic, logical, and empirical grounds. It is concluded that evidence casting Feuerstein's approach to dynamic assessment as a serious competitor to “traditional” assessment is not compelling.
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