The present study investigates the interaction between two types of explicit instructional approaches, deduction and explicit-induction, and the level of foreign language aptitude in the learning of grammar rules. Results indicate that on the whole the two equally explicit instructional approaches did not differentially affect learning…

Two studies at the Defense Language Institute (California) investigated the contribution of several variables to prediction of post-language-training proficiency: (1) scores on a general vocational aptitude battery and a language aptitude battery, both used to screen potential students; (2) scores on other cognitive measures not used in the…