Outlines challenges that arose in the course of a classroom-based research project, identifies the realities of the second language setting that contributed to these complexities, and examines useful sources of support available to novice investigators. Oral communication tasks were administered to three groups of English learners in Canada: a…

This article examines four sets of factors that may potentially affect the incidental vocabulary acquisition from oral input of second-language (L2) learners. These include the intrinsic properties of L2 words; the nature of the input; the role of interaction; and individual learner factors. (Contains 85 references.) (MDM)