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Before the Test Event: A Priori Validity Evidence

  • Cyril J. Weir
Part of the Research and Practice in Applied Linguistics book series (RPAL)

Abstract

There are two aspects to theory-based validity. One concerns a priori evidence collected before the test event, the other a posteriori evidence generated after the test has been administered (Weir 1988a).

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Further reading

  1. Bachman (1990) gives good coverage of the cognitive aspects of ‘construct validity’.Google Scholar
  2. Bachman and Palmer (1996) is an update on Bachman 1990, but with more practical exemplification.Google Scholar
  3. Messick (1989) provides a much referred to and important discussion of validity, if somewhat opaque in parts.Google Scholar

Copyright information

© Cyril J. Weir 2005

Authors and Affiliations

  • Cyril J. Weir
    • 1
  1. 1.Centre for Research in Testing, Evaluation and Curriculum (CRTEC)Roehampton UniversityUK

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