Browsing by Author "Blazar, D."
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Article
Validating Arguments for Observational Instruments: Attending to Multiple Sources of Variation
Hill, H. C.; Charalambous, Charalambos Y.; Blazar, D.; McGinn, D.; Kraft, M. A.; Beisiegel, M.; Humez, A.; Litke, E.; Lynch, K. (2012)Measurement scholars have recently constructed validity arguments in support of a variety of educational assessments, including classroom observation instruments. In this article, we note that users must examine the ...