Stephen Krashen’s Theory on Second Language Acquisition.ppt

Stephen Krashen’s Theory of Second Language Acquisition Li Kai Graduate Dept. Computer Science Fudan University Improvement of Second Language Acquisition comes from supplying communicative and comprehensible input. — Stephen Krashen What is his theory Five Hypotheses The Acquisition-Learning Distinction The Natural Order Hypothesis The Monitor Hypothesis The Input Hypothesis The Affective Filter Hypothesis      Learning is  conscious    Acquisition is subconscious  The acquisition of grammatical  structures proceeds in a predictable  order   Learned Language  Monitors Monitor Over-users try toalways use their Monitor Monitor Under-users avoid using their Monitor  Language that cannot be understood by the learner is but  a sort of “L2  noise” to him Motivation Self-esteem AnxietyAffect comprehension Summary Learning second language does not guarantee Acquisition You use Monitor or not Grammar grows in Natural Order Comprehensible Input is effective Affective Filter expedites or impedes acquisition   Optimal Input is Recreational Reading What about grammar Formulating rules is linguistics Grammar works when target language as medium The subject contribute little to progress The more we know about the learning process, the easier we make great progresses. — Me References Krashen, S. (1982). Five Hypotheses about second language acquisition, Principles and Practices in Second Language Acquisition. Pergamon. Krashen, S. (1981),