Three projects were designed to develop and evaluate materials for use with aphasic children (perceptually handicapped with language problems). The first project presented stimulus pairs in varying modality conditions. Results suggested that, although the aphasic children were not capable of improving their auditory discrimination performance,…

This compilation of readings in educational media and research makes accessible published and unpublished documents relevant to designers and users of educational media. Volume I is divided into two parts, "Basic Foundations" and "Media Characteristics.""Basic Foundations" refers to that upon which a science of instructional media design and…

This compilation of readings in educational media and research makes accessible published and unpublished documents relevant to designers and users of educational media. Volume III includes part 6, "Learner Characteristics," and part 7, the "Conditions of Media Use.""Learner Characteristics" relates the nature of human aptitude to instructional…