Input, Interaction, and the Second Language Learner: 2nd Edition (Paperback) book cover

Input, Interaction, and the Second Language Learner

2nd Edition

By Susan M. Gass


190 pages

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Twenty years after its first publication, Susan M. Gass’s Input, Interaction, and the Second Language Learner has become a classical text in the field of second language acquisition (SLA). This new printing includes the original text, along with a new preface that comprises individual consultations between the author and Alison Mackey, Rod Ellis, and Mike Long on the importance of the project two decades later.

The volume provides an important view of the relationship between input, interaction, and SLA. In so doing, it should prove useful to those whose major concern is with the acquisition of a second or foreign language, as well as those who are primarily interested in these issues from a pedagogical perspective. The book does not explicate or advocate a particular teaching methodology, but does attempt to lay out some of the underpinnings of what is involved in interaction—what interaction is and what purpose it serves. Research in SLA is concerned with the knowledge that second language learners do and do not acquire, and how that knowledge comes about. This book ties these issues together from three perspectives: the input/interaction framework, information-processing, and learnability.

This Routledge Linguistics Classic remains a key text for all SLA scholars and an essential supplementary volume for students on SLA courses.


"The twentieth anniversary publication of this classic remains a fundamental reference for studying the roles of input, attention and interaction in second language development. With an exciting and reflective new preface, this volume is a must-have for both experienced SLA researchers as well as those new to the field."

Andrea Révész, University College London, UK

Table of Contents

Preface to the 20th Anniversary Routledge Linguistics Classics Edition


Modeling Second Language Acquisition

The Question of Evidence

The Nature and Function of Output

Input and Second Language Acquisition Theories

The Role of Interaction

Comprehension, Output, and the Creation of Learner Systems

Epilogue: Classroom Implications and Applications

About the Author

Susan M. Gass is University Distinguished Professor of Second Language Studies at Michigan State University, USA.

About the Series

Routledge Linguistics Classics

Routledge Linguistics Classics brings together key seminal books from the rich heritage of Routledge linguistics publishing. Each book is reissued with the original text, and also includes an additional new chapter, foreword or afterword to situate these titles in current scholarship. These titles have been deemed classics by leading academics and are essential reading for students and all who need to keep up to date with the field of linguistics.

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Subject Categories

BISAC Subject Codes/Headings:
LANGUAGE ARTS & DISCIPLINES / Linguistics / General