Comparative Effects of Computer-Simulated Strategy and Real Laboratory Experiment on Students’ Achievement and Retention in Electricity Practical Ejimonu Emmanuela Ifeyinwa1*, Musa Peter Eson1, Olayinka Folasade Oluyemisi2, and Uwalaka Esther Ifeyinwa3 Abstract The study investigated the comparative effects of computer-simulated strategy and real laboratory experiment on students’ achievement and retention in