Describes study which investigated peer interaction in relation to microcomputer use with 11- and 12-year-old children in a comprehensive secondary school in England. Highlights include the use of micro-PROLOG, a questionnaire to test students' attitudes towards computers, gender differences, and pretest and posttest results. (LRW)

Describes a study designed to assess the effectiveness of 2 science simulation programs for 11- and 12-year-olds in a developing country (Guyana). Computer-assisted learning (CAL) results are compared with results from written assignments, effect size is discussed, gender differences are examined, and ability levels are considered. (14 references)…

Discussion of teaching complex knowledge domains through exploration highlights two experiments that investigated the educational value of a Dutch computer simulation program which models the relationship between erosion and agriculture in a developing country as part of the secondary school geography curriculum. Learning by doing versus learning…

Describes a study conducted in elementary and secondary schools in Northern Ireland that assessed the impact of the use of laptop computers on academic achievement in mathematics, English, and science. Treatments for the experimental and control groups are described, and performance measures are explained. (seven references) (LRW)