Discusses visual fatigue as a result of using video display units and reviews four typical methods of gathering self-report visual fatigue symptoms that appear within the human factors literature, including unstructured inquiries, forced-choice questionnaires, statements with Likert scales, and quasi-standardized health questionnaires. (33…

Surveys the human factors literature that focuses on self-report evaluations of visual fatigue resulting from use of a visual display unit (VDU). Highlights include viewing distance, color, user demographics, duration of VDU use, physiological measurements, and suggested guidelines for VDU use. (Author/LRW)

Reviews instructional design techniques that are suggested for improving the quality and effectiveness of educational software. Three areas of instructional design are addressed: (1) instructional strategies, including provision, examples and active feedback; (2) screen display, including text style variety; and (3) human factors, including…

Compares humanlike versus machinelike interactional styles of computer interfaces, testing hypotheses that evaluative feedback conveyed through a humanlike interface will have greater impact on individuals' self-appraisals. Reflected appraisals were more influenced by computer feedback than were self-appraisals. Humanlike and machinelike interface…

Summarizes three research studies on text and screen density variables in a computer based instruction (CBI) lesson. The first two studies investigated the effectiveness of low density text on lessons taught in print and CBI modes; the third study examined learner preferences for different screen densities. (43 references) (Author/LRW)