Examines the consequences of regarding Deviation Quotients (DQs) as estimates of Full Scale IQs. Offers a new formula and shows the increase in error to be negligible for short forms with typical validities, which supports linear scaling as an acceptable alternative to linear regression. (LLL)

Proposes Vocabulary and Block Design as a two-subtest short form of the Wechsler Adult Intelligence Scale-Revised; the addition of Arithmetic and Picture Arrangement provides a four-subtest short form of the scale. Presents tables giving Full Scale IQs for each of nine age groups for both short forms. (Author)

A series of item analyses of the Concept Assessment Kit Conservation (Goldschmid) conducted for a sample of educable mentally retarded children showed that the probability of a correct response differed from task to task. Evidence indicated that the order of difficulty of the tasks resembled that for nonretarded children. (Author)