In previous reviews of studies comparing explicit and implicit instruction (Krashen, 1981, 1982, 1999, 2003), the author argued that explicit instruction will show a positive effect only when the following conditions for the use of the conscious Monitor are met: (1) the acquirer consciously knows the rule or the meaning of the item--that is, has…

In this article, Huw Jarvis and Stephen Krashen ask "Is CALL Obsolete?" When the term CALL (Computer-Assisted Language Learning) was introduced in the 1960s, the language education profession knew only about language learning, not language acquisition, and assumed the computer's primary contribution to second language acquisition…

The recent past in language teaching has been dominated by the Skill-Building Hypothesis, the view that we learn language by first learning about it, and then practicing the rules we learned in output. The present is marked by the emergence of the Comprehension Hypothesis, the view that we acquire language when we understand messages, and is also…

Research published in recent years that deals with the Comprehension (Input) Hypothesis is reviewed, and evidence supporting the hypothesis is underlined. The research is from the areas of literacy development, second-language learning, and foreign-language learning and confirms the claim that development of language and literacy operate in much…

Describes how an English-as-a-Second-Language program can move as painlessly as possible from conversational to academic English in order to cover the use of English in business, politics, and science. The article focuses on helping students progress in their acquired language, in the absence of native speakers, after the program is over. (12…