The effects of alterations in test procedure upon the original and repeated test performance of normal adolescents are determined for two subtests--Block Design (BD) and Picture Arrangement (PA)--appearing in the Wechsler Intelligence Scale for Children and Wechsler Bellevue Intelligence Scale Form 1. Two experiments were conducted, one with 170…

In recent years, over 1,000 middle schools of varying grade level organization have been established in 49 States. From an intensive study of materials published between 1961 and 1968 (listed in an appended bibliography), a basic rationale has been developed for the momentum of this trend. The new concept of the middle school (grades 6-8) is…