Language proficiency is multi-componential in nature and, according to many SLA researchers and L2 practitioners, is best captured by the concepts of complexity, accuracy, and fluency (CAF). Two of the three studies reported in this paper adopted the Cognition Hypothesis (Robinson, 2003) as the means to address the question of whether increasing…

Although a growing number of second language acquisition (SLA) studies take linguistic complexity as a dependent variable, the term is still poorly defined and often used with different meanings, thus posing serious problems for research synthesis and knowledge accumulation. This article proposes a simple, coherent view of the construct, which is…

Essays on second language teaching focuses on how the kinds of tasks performed by the learner relate to language output. "Choosing and Using Communication Tasks for Second Language Instruction" (Teresa Pica, Ruth Kanagy, Joseph Falodun) contains a taxonomy of communication task types, based on the concepts of goal and activity,…