This study surveyed educators involved in mainstreaming students with disabilities into regular elementary classrooms, to determine their perceptions of the necessary characteristics of a successful mainstreaming program. Their responses were used to formulate a model for a mainstreaming program. The study began with a review of the literature and…

The question of dividing language proficiency into components was explored by determining which of three models best fit the experimental data: a model postulating numerous specific sources of variance (the extreme divisible model), one postulating a single, large source of variance (the unitary model), or one postulating a large general factor…

The purpose of this study was to determine the value of the Grotelueschen evaluation model in terms of six criteria: usability, comprehensiveness, cost-effectiveness, flexibility, validity, and objectivity. This evaluation process was chosen from six models that were reviewed to determine the effectiveness of an adult education program on career…