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)

This article examines the concept of simplification in second language (SL) learning, reviewing research on the simplified input that both naturalistic and classroom SL learners receive. Research indicates that simplified input, particularly if derived from naturally occurring interactions, does aid comprehension but has not been shown to…

Reports on the effects of meaning negotiation on young children's acquisition of English-as-a-Second-Language word meanings while they listened individually and in small groups to directions containing words unknown to them and to encouragement to negotiate their understanding of the directions. Results show that the children varied in their…

Two studies investigated the effects of modified interaction on comprehension and vocabulary acquisition among Japanese high school students learning English as a Second Language. The studies found that interactionally modified input resulted in better comprehension and the acquisition of more new words than premodified input. (MDM)