A number of theories of second language L2 acquisition acknowledge a role for explicit L2 knowledge. However, the testing of these theories remains problematic because of the lack of a widely accepted means for measuring L2 explicit knowledge. This article seeks to address this lacuna by examining L2 explicit knowledge from two perspectives.…

This book examines different theoretical perspectives on the role that interaction plays in second language acquisition. The principle perspectives are those provided by the Interaction Hypothesis, Socio-Cultural Theory, and the Levels of Processing Model. Interaction is defined broadly; it is seen as involving both intermental and intramental…