Psychology of Language

Stephen Krashen's classic statement of his theory of second language acquisition, including the input hypothesis and the affective filter. Essential reading for language teachers who want to understand how people actually acquire a new language.

Stephen D. Krashen

Krashen's first book, which draws the key distinction between acquiring a language naturally and learning it consciously. It reviews the research on the Monitor Model, age, aptitude and attitude in language learning.

Stephen D. Krashen