Summarizes recent psychological research and theory on the topic of consciousness, and looks at three questions in second-language learning related to the role of consciousness in input processing. The discussion involves the requirement in learning a second language of subliminal learning, implicit learning, and incidental learning. (142…

Reviews theoretical and research literature on learner strategies and self-directed language learning, particularly concerning the role of metacognitive knowledge in learning. Argues that too little attention is given to the function of metacognition in language learning. Practical implications for second-language instruction are discussed.…

Examination of existing empirical and theoretical literature suggests there is no conclusive support for the existence of a critical period for human speech learning. Assumption of a critical period may inhibit the search for testable hypotheses concerning observed adult-child differences in second language production. (Author/LMO)