The purpose of this study was to observe quality of life (QoL) and global evolution of persons with Pervasive Developmental Disorders (PDD) in three different groups. Individualized programs for PDD were compared to traditional programs for intellectual disabilities. Behavioural disorders were repeatedly evaluated using the Aberrant Behaviour…

The subject mortality problems of an experimental design which covers the period of student recruitment through posttesting over a 13-month period, is detailed in this study. Out of an effective applicant pool of 72 students randomly assigned to experimental and control groups, only 38 students remained at the end of the study with complete test…

Traditionally, the use of control groups, regression discontinuity/projection, or norm referenced models has been advocated for educational program evaluation. The small numbers of and the heterogeneous characteristics of severely and profoundly handicapped make these evaluation methods inappropriate for this population subgroup. Furthermore, no…

As a continuation of previous research, this project was designed to test the efficacy of a multi-media individualized program in Spanish. Spanish 2 students were divided into three groups, two experimental and one control group. One experimental group utilized the individualized approach in Spanish 1 and Spanish 2. The other studied traditional…