THE CONTRIBUTIONS OF STEPHEN KRASHEN TO LANGUAGE ACQUISITION AND TEACHING

This article examines Stephen Krashen's significant contributions to the field of language acquisition and teaching. Krashen's theories, including the Input Hypothesis, the Affective Filter Hypothesis, and the Monitor Model, have transformed the understanding of how languages are learned. The article analyzes these theories, their applications in educational contexts, and the implications for modern language teaching practices. A research-based approach highlights the effectiveness of Krashen’s principles in diverse classrooms.