The present study evaluates the relative effectiveness of three types of input-based approaches for teaching English polite request forms to sixty Japanese learners of English: (a) structured input tasks with explicit information; (b) problem-solving tasks; and (c) structured input tasks without explicit information. Treatment group performance…

In this article we compare five groups of learners acquiring Dutch gender as marked on determiners and adjectival inflection. Groups of L1 (first language) children and L1-SLI (first-language specific-language-impairment) children are compared to three Turkish-Dutch L2 (second language) groups: adult L2, child L2 and child L2-SLI. Overall, our…

In this article I provide evidence that despite frequently cited differences between child first language (L1) and adult second language (L2) speakers in overt behavior (performance) during grammatical development, the nature, source, and limits of implicit knowledge (competence) in native and second language grammars are equivalent (i.e., they…

The present study evaluates the relative effectiveness of two types of input-based instruction, consciousness-raising instruction (the consciousness-raising task only) and consciousness-raising instruction with feedback (the consciousness-raising task + reactive explicit feedback) for teaching English polite requestive forms, involving 45 Japanese…

This paper reviews studies that have contrasted the effectiveness of structured-input instruction with output-based instruction. It then presents results from a study comparing the relative effects of structured-input and output-based instruction on students' ability to comprehend and produce direct object pronouns in second language French. Three…