Construct definition and validity inquiry in SLA research

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Date
1999
Authors
Chapelle, Carol
Chapelle, Carol
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English
Abstract

In second language acquisition (SLA) research, some form of measurement is frequently used to produce empirical evidence for hypotheses about the nature and development of communicative competence. For example, SLA researchers test learners to investigate such aspects of interlanguage vocabulary1 as the acquisition of semantic (Kellerman 1978) and syntactic (Ard & Gass 1987) features of words, the structure of the L2 lexicon (Meara 1984; Singleton & Little 1991 ), lexicon size (Nation 1993), strategies associated with vocabulary use (Blum-Kulka & Levinson 1983), and automaticity of lexical access (Chitiri, Sun, Willows, and Taylor 1992). Tests are used for investigating vocabulary, as well as for SLA research in general, to elicit learners' performance in a defined context. In other words, taking the complement to Douglas's (Chapter 6, this volume) view of language tests as SLA elicitation devices, I consider SLA elicitation devices from the perspective of two principles that underlie language testing: construct definition and validation.

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This is a book chapter from Interfaces between Second Language Acquisition and Language Testing Research (1999): 32. Posted with permission.

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