Children with developmental disabilities are trained using different teaching arrangements. One of these arrangements is called small-group teaching. It has been ascertained that a small-group teaching arrangement is more effective than a one-to-one teaching arrangement. In that sense, teaching academic skills to pre-school children in small-group…

Two experiments investigated whether six individuals (ages 7-64) with developmental disabilities or autism would demonstrate stimulus classes after observing another individual demonstrate the prerequisite conditional discriminations. Results found that stimulus class technology, coupled with observation, may be an economical and efficient means…

The authors discuss activities that help mentally handicapped adults emphasize thinking processes: observation questions, impact chart, solving a puzzling situation, and use of examples/nonexamples. The authors stress use of simple concepts, concrete objects, and realistic situations in developing intellectual skills. (CT)