The 5 hypotheses of Krashen's Theory of Second Language Acquisition
This is a brief description of Krashen's widely known and well-accepted theory of second language acquisition, which has had a large impact in all areas of second language research and teaching. Since 1980, he has published well over 100 books and articles and has been invited to deliver over 300 lectures at universities throughout the United States and Canada. Much of his recent research has involved the study of non-English and bilingual language acquisition. Stephen Krashen (University of Southern California) is an expert in the field of linguistics, specializing in theories of language acquisition and development. In the real world, conversations with sympathetic native speakers who are willing to help the acquirer understand are very helpful. These methods do not force early production in the second language, but allow students to produce when they are 'ready', recognizing that improvement comes from supplying communicative and comprehensible input, and not from forcing and correcting production. The best methods are therefore those that supply 'comprehensible input' in low anxiety situations, containing messages that students really want to hear. 'comprehensible input' is the crucial and necessary ingredient for the acquisition of language.
Language acquisition does not require extensive use of conscious grammatical rules, and does not require tedious drill.Īcquisition requires meaningful interaction in the target language - natural communication - in which speakers are concerned not with the form of their utterances but with the messages they are conveying and understanding.
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