Usefulness of the Slosson Intelligence Test with Severely and Profoundly Retarded Children

In search of a measure of intellectual functioning for an inpatient psychiatric population with low cognitive ability.

“…One such instrument is the Slosson Intelligence Test (Slosson, 1961), which provides a measure of intellectual functioning based on a developmental task model. Several studies raise questions about the use of the Slosson with subjects of low cognitive ability (Covin, 1977; Rotatori, Sedlak & Freagon, 1979; Smith, 1981; Smith, Brunson & Nyman, 1980; Thompson, Roberts & Whiddon, 1979). Two other brief measures of intelligence, both of which use a picture-to-vocabulary format, are the Peabody Picture Vocabulary Test-Revised (PPVT-R; Dunn & Dunn, 1981) and the Quick Test (Ammons & Ammons, 1962).…”