Because of the lack of error-free, on-task performance by young children, cognitive modeling has not generally been considered an appropriate technique for characterizing computer use by young children. It is argued that cognitive modeling can be a useful strategy for organizing data on children's performance when the domain being studied is…

This study explored the effectiveness of "high" user-friendly instructional text editors versus "low" user-friendly editors in teaching word processing to adult females. Whether subjects having higher positive attitudinal scores toward technology would perform better with computerized instructional materials as facilitators for…

Describes experiments in Arabic information retrieval using 29 queries against a base of 355 bibliographic records. Using roots and stems as index terms worked better than words, and the root performed as well as or better than the stem at low recall levels and definitely better at high recall levels. (Contains 30 references.) (KRN)