Suggests that (1) research has not produced an algorithm for the selection of media formats, (2) more research is required on the effects of present technology, and (3) production decisions are influenced by many considerations. (Author/CMV)

Discusses research on the effectiveness of computer-based instruction (CBI) and proposes computer modeling as a tool to redirect CBI research toward more theoretically relevant and prescriptive research. Limitations of media comparison studies and media replication studies are described, and computer modeling in CBI research is reviewed. (48…

This paper discusses media comparison studies and reasons that research of this nature is pursued, especially in the area of computer-based interactive video (CBIV). Three scenarios are presented to demonstrate instances in which the knowledge of the relative effectiveness of CBIV is important and useful: (1) the case of the administrator who…

Third in a series on teaching methods in higher education, this updated volume reviews and evaluates research on audiovisual aids and related instructional hardware. While the emphasis is on the effectiveness of technical aids in higher education as instructional tools, some information on technical and administrative problems is also provided.…

Proposes directions to help researchers balance instructional technology goals with the performance of well-designed and scientifically sound studies. Issues concerning the external validity of studies, use of media replications, and learner control as a means of adapting instructional strategies to individuals are emphasized, and designs for…

A review of computer assisted instruction research and recent meta-analytical reports suggests that all research on the learning benefits of the instructional uses of computers should be halted until there is a plausible reason to expect that computers are instrumental in learning, since all existing evidence indicates that computers do not yield…

Crucial, technologically oriented issues currently facing educators are addressed in the following 11 articles: (1) "The Definition of Educational Technology: An Emerging Stability," by Donald P. Ely; (2) "Media Applications to Instruction: Current Theoretical Considerations," by Gerald M. Torkelson; (3) "The Dilemma of…

Relationships between media format, sensory channel, and cognitive information processing are not straightforward. Media format does not determine information processing and storage except when a deliberate attempt is made to model cognitive processes by manipulating the medium. Sensory channel only affects processing and learning for relatively…

Reviews some instructional media research that has been done in developing countries and makes recommendations for its improvement. Twenty-two references are listed. (Author/LLS)

Current issues in educational communications and technology are addressed in this collection of 48 papers, in which research reports predominate. Topics discussed include factors related to the learner, e.g., field dependence/independence, learning strategies, information processing, spatial ability, cognitive style, and cognitive strategies.…

Claims that computers and other high technology can replace teachers and staff, thereby reducing educational costs, are unwarranted for several reasons. First, most cost analyses focus on hardware costs, which are not the major factor directing the cost of computer assisted instruction (CAI). Second, technology is more likely to change the skill…

Addresses the implicit assumption that instructional media represent meaningful experimental variables independent of instructional content or strategy. Results of computer-based instruction (CBI) studies (both well-designed and flawed) and meta-analyses are reviewed to support the authors' position that this assumption is invalid, and new…

The "symbol systems approach" to the study of computers in education that is outlined avoids the pitfalls of past media research--particularly research on the effects of television on children's learning and knowledge--and asserts that media can be usefully distinguished in terms of the symbol systems they present and the kinds of…

This field experiment begins to build a theoretical framework for exploring the effects of media characteristics on subjects' understanding and integration of information. Students in two eighth-grade science classes wrote term papers with one class using a print encyclopedia and the other an electronic encyclopedia to conduct their research. A…

Current issues in educational communications and technology are addressed in this collection of 47 conference papers in which research reports predominate. Topics discussed include factors related to the learner, e.g., learning strategies, information processing, spatial ability, cognitive style, and cognitive strategies. Presentation format and…