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The Routledge Handbook of Language Testing

An understanding of language testing is critical for applied linguists and language teachers. In the early 1980s Alan Davies declared: ‘… language testing has come of age and is now regarded as providing a methodology that is of value throughout applied linguistics and perhaps in core linguistics too’ (Davies, 1982: 152). A failure to design or select appropriate instruments threatens the validity of the research throughout applied linguistics and second language acquisition (Chapelle, 1994, 1999; Read and Chapelle, 2001). Furthermore, careful construct definition followed by the construction and validation of methodologies to collect data aid innovation in research (e.g. Svalberg, 2009). Language testing is intimately concerned with Validation theory, and so helps researchers to focus on making explicit the claims about the meaning of test scores, and the rationales and evidence that can be brought to bear upon the evaluation of these claims. This further strengthens the core values of language testing researchers and practitioners.

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