Given the difficulty of teaching Cambodian learners the English speaking skills due to large, mixed-ability classes, and inappropriate applications of existing resources, the approach of Task-Based Instruction (TBI) was tested with ninth-grade students. This article, therefore, investigates the effect of TBI on ninth-graders' English-speaking…

The study examined the knowledge of the functional relations between potential difference, magnitude of current, and resistance among seventh graders, ninth graders, 11th graders (in technical schools), and college students. It also tested the efficiency of a learning device named "functional learning" derived from cognitive psychology on the…