The effect of first language transfer on second language acquisition and learning has been a major theoretical concept in second language research and pedagogy since the 1950s. In order to give a historical perspective, the authors offer a brief presentation of some of the major topics from the broad spectrum of issues that have been examined by…

This article offers the author's commentary on the Multiple Grammars (MG) language acquisition theory proposed by Luiz Amaral and Tom Roeper in the present issue. Multiple Grammars advances the claim that optionality is a constitutive characteristic of any one grammar, with interlanguage grammars being perhaps the clearest examples of a…

Describes the "Competition Model" (Bates and MacWhinney, 1982) dealing with second-language sentence processing by bilinguals and research that has further developed theories dealing with the model. (CB)

Reports on a study that sought to determine whether adult English-as-a-Second-Language students with internal orientations on two dimensions of locus of control also had positive expectancies about their life situations in the United States and a higher degree of proficiency in their English interlanguage than their counterparts with external…