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Aslanides, J. S.; Savage, C. M. – Physical Review Special Topics - Physics Education Research, 2013
We report on a concept inventory for special relativity: the development process, data analysis methods, and results from an introductory relativity class. The Relativity Concept Inventory tests understanding of relativistic concepts. An unusual feature is confidence testing for each question. This can provide additional information; for example,…
Descriptors: Physics, Science Tests, Scientific Concepts, Confidence Testing
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Clark, Rodney; Coleman, Apollonia P.; Novak, J. D. Jeremy D. – Journal of Adolescence, 2004
This study explored select psychometric properties of the Everyday Discrimination Scale in 120 Black adolescents (65 males and 55 females). Youth completed the Everyday Discrimination Scale and the Child Behaviour Checklist-Youth Self-Report Form. A t-test analysis revealed that Everyday Discrimination Scale scores were not significantly different…
Descriptors: Measures (Individuals), Psychometrics, African Americans, Adolescents
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Wiliam, Dylan – Review of Research in Education, 2010
The idea that validity should be considered a property of inferences, rather than of assessments, has developed slowly over the past century. In early writings about the validity of educational assessments, validity was defined as a property of an assessment. The most common definition was that an assessment was valid to the extent that it…
Descriptors: Educational Assessment, Validity, Inferences, Construct Validity