This study was designed to investigate the effects of two instructional approaches (whole-task versus part-task) and two levels of learner prior knowledge (lower versus higher) on learner acquisition and transfer of a complex cognitive skill. Participants were 51 undergraduate pre-service teachers. In the part-task condition, a complex skill…

This second of a two-part article focuses on the history of instructional design in the United States. Starting with its origins during World War II, major events in the development of instructional design are described. Factors affecting the field over the last two decades, including increasing interest in cognitive psychology, microcomputers,…

Discusses the history of the field of instructional design and technology in the United States. Includes a definition, major features, rational for using instructional design and technology as the label for the field, history of instructional media from 1900 to the present, effects media have had on instructional practices, and the effect…

Examines the extent to which a group of superior elementary and secondary school teachers employed systematic instructional-planning practices. The two approaches were found to be different in several important ways: teachers did not place much emphasis on specifying objectives, creating objectives-based tests, or making other instructional…

Examines how, over time, the major definitions of the field of educational technology have reflected changes in the field itself. Major definitions from the early 1900s through 1994 are reviewed and compared; major changes in the field are identified; and thoughts regarding future definitions are presented. (Author/LRW)

Discusses methods that software evaluation organizations use to evaluate instructional software. Topics addressed include who does the evaluating, including the role of students as well as teachers, subject matter experts, media specialists, and school administrators; reliability of evaluations; and possible improvements in the evaluation process.…

Examines Richard Clark's analysis of the role of media (IR 529 139) from the perspective of an instructional designer. Clark's statements about interchangeability of media attributes, research evidence, and the influence of learner preconceptions are challenged. Suggestions for future research are provided. (Contains six references.) (KRN)

Describes a new model for evaluating instructional software that focuses on the extent to which students learn the skills a software package is intended to teach. Results of a field test of fifth grade students are reported, and implications of the initial evaluation of the model are discussed. (14 references) (LRW)