Assessment Use Argument. Nancy Powers Chief of English Testing Section SHAPE, Mons, Belgium Sept 2013. Introduction.
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Chief of English Testing Section
SHAPE, Mons, Belgium
Validity is an integrated evaluative judgment of the degree to which empirical evidence and theoretical rationales support the adequacy and appropriateness of inferences and actions based on test scores” (Messick 1989: 13)
(p. 430, 2010)