This article describes a device used to array the pieces of the Object Assembly Test, a subscale of the Wechsler Intelligence Scales for Children, in exact standardized order in less time than is now needed and without a screen, thus guaranteeing that the subject will have no previous experience with the pieces. (Author/BY)

Three third-grade, three sixth-grade, and three adult female examiners tested 108 kindergarten and third-grade girls, half of whom were familiar to them, on three individually administered measures. No differences in performance on any measure as a function of familiarity were found at either grade level. No differences by examiners of different…