ABSTRACT The objectives for this study were to determine the effect of computer assisted instruction based on constructivist theory approach over traditionally designed instruction on second year students of Afife Senior High Technical School in some selected topics in mechanics. Random sampling was used to select sample size of fifty (50) students. The total sample size was made up of twenty-seven (27) boys and twenty-three (23) girls. Test (pre-test and post-test), observation and intervie...