Reports on University of Guelph field trials with Telidon, a videotex system, as the medium for an agricultural information service for Ontario farmers and as an instructional medium for testing and feedback in classrooms. From these experiences, conclusions are drawn about the potential of videotex for traditional and distance education. (MBR)

The summative evaluation of a courseware program designed to assist in writing the lower-case alphabet is described to demonstrate the effectiveness of a field test for answering specific evaluation questions, collecting maximum evidence on which to base conclusions of instructional effectiveness, and being flexible enough for use in normal…