The Handbook of Language Assessment Across Modalities
Description:... "The identification of language problems and subsequent evaluation of interventions depend in part on the availability of useful and psychometrically robust assessments to determine the nature and severity of their problems and monitor progress. The purpose of these assessments may be to measure a child's language proficiency, that is, how they perform relative to other children and whether they have the language level expected and needed for schooling, or they may have a specifically clinical purpose, to identify the occurrence and nature of a disorder. The purpose of assessment is key to the aspects of language targeted in an assessment and the methods used to target these. In the case of spoken English, there are many language assessments ranging from broad language tests to more narrowly focused measures, reflecting the complexity of the language system and its use"--
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