Researchers in the field of instructed second language acquisition have been examining the issue of how learners interact with input by conducting research measuring particular kinds of instructional interventions (input-oriented and meaning-based). These interventions include such things as input flood, textual enhancement and processing…

Collaborative output has been found to facilitate L2 lexical learning due to the cognitive word processing engendered in it. Yet it is not clear how interactions involved in collaborative output could affect learners' word processing and hence their lexical learning. This paper takes a sociocultural perspective to investigate Chinese EFL learners'…

The relation of social and linguistic input measures to early vocabulary development was examined in 30 low-income African American mother-infant pairs. Observations were conducted when the child was 0 years, 1 month (0;1), 0;4, 0;8, 1;0, 1;6, and 2;0. Maternal input was coded for word types and tokens, contingent responsiveness, and…