In one experiment 97 undergraduate students learned about plate tectonics from a multimedia presentation involving narrated animations and support in one of four forms. Support in the prompting condition included hints inducing participants to self-explain critical information. The signaling condition included overviews recapping critical…

Three different versions of a learning program on trigonometry were compared, a program controlled, non-interactive version (CG), an interactive, conflict inducing version (EG 1), and an interactive one which was supposed to reduce the occurrence of a cognitive conflict regarding the central problem solution (EG 2). Pupils (N = 101) of a…

Discussion of expert systems and computerized adaptive tests describes two versions of EXSPRT, a new approach that combines uncertain inference in expert systems with sequential probability ratio test (SPRT) stopping rules. Results of two studies comparing EXSPRT to adaptive mastery testing based on item response theory and SPRT approaches are…

Examines the relationship between computer anxiety and computer experience for older (over 55) and younger (under 30) adults. Data were collected from 422 subjects using attitude and anxiety scales. Results indicated that older adults were less computer anxious than younger adults but had less computer confidence. No gender differences were found…

Discusses knowledge base development as a pedagogical activity and describes a study of eighth graders that compared three instructional conditions: (1) expert system development work; (2) problem-solving activities using computer-assisted instruction; and (3) a control group that used traditional noncomputer methods. Pretest and posttest scores…

Describes a study of third-grade students in Israel that examined the differential effects of cooperative and individual computer-assisted instruction on mathematics achievement, amount of invested mental effort, academic recognition, and social acceptance of high and low achieving students. Theoretical and empirical implications are discussed,…

Describes a study of fifth graders that investigated whether types of revision and quality of writing vary for bilingual and monolingual students when using word processors as compared with paper and pencil. Topics discussed include keyboarding skills, bilingualism, and language art skills. (Contains 27 references.) (LRW)

Describes research that investigated the study strategies of preservice teachers through the use of a hypertext program that monitored lecture note review strategies of individuals and dyads. Highlights include learning from lectures; the use of pretest information; and differences in dyad and individual review strategies. (Contains 28…