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Bailey, Janelle M.; Johnson, Bruce; Prather, Edward E.; Slater, Timothy F. – International Journal of Science Education, 2012
Concept inventories (CIs)--typically multiple-choice instruments that focus on a single or small subset of closely related topics--have been used in science education for more than a decade. This paper describes the development and validation of a new CI for astronomy, the "Star Properties Concept Inventory" (SPCI). Questions cover the areas of…
Descriptors: Educational Strategies, Validity, Testing, Astronomy
Kane, Michael – Educational Testing Service, 2010
The 12th annual William H. Angoff Memorial Lecture was presented by Dr. Michael T. Kane, ETS's (Educational Testing Service) Samuel J. Messick Chair in Test Validity and the former Director of Research at the National Conference of Bar Examiners. Dr. Kane argues that it is important for policymakers to recognize the impact of errors of measurement…
Descriptors: Error of Measurement, Scores, Public Policy, Test Theory