Abstract
Test developers have presented classification schemes for intelligence test scores since Terman (1916) published the Stanford-Binet. There are currently a wide range of terms used to describe IQ intervals. These include statistical, diagnostic, and general terms. Among other problems, the terminology of some test publishers is not consistent with current standards for classification of mental retardation. This paper discusses the contributions of selected test developers to the development of classification schemes for intelligence test scores. Other issues related to classification and terminology are reviewed. A modification of existing IQ terminology is presented.
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