This investigation responds to the need for longitudinal data-driven research on additional-language (AL) acquisition by examining grammatical-gender marking among AL learners of French during a 21-month period, which included an academic year abroad (LANGSNAP corpus). The analysis of oral production consists of a generalized linear mixed model…

Conversations with six twelfth graders who had been in French immersion since kindergarten found a high rate of incorrect sentences, suggesting a faulty interlanguage fossilized at grade six and a need for immersion program revision. (MSE)

Analysis of language production skills of French immersion students in grades 1-6 over 3 years revealed rapid growth of oral competence in the first three years of acquisition, followed by a much slower annual rate of progress. Lexical and syntactic structures most difficult to acquire emerge in five distinct patterns. (50 references) (Author/MSE)

Examines two rating scales for assessment of oral proficiency and judges both as inadequate because they are based on an untenable theory of the development of proficiency in a second language and on mistaken intuitions about oral interaction. The paper concludes with a discussion of an architectural, context-dependent theory of second-language…