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Schoen, Robert C.; Anderson, Daniel; Riddell, Claire M.; Bauduin, Charity – Online Submission, 2018
This report provides a description of the development process, field testing, and psychometric properties of the fall 2015 grades 3-5 Elementary Mathematics Student Assessment (EMSA), a student mathematics test designed to be administered in a whole-group setting to students in grades 3, 4, and 5. The test was administered to 2,614 participating…
Descriptors: Elementary School Students, Elementary School Mathematics, Grade 3, Grade 4
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Harder, Bettina; Vialle, Wilma; Ziegler, Albert – High Ability Studies, 2014
Recent handbooks of giftedness or expertise propose a plethora of conceptions on the development of excellent performance but, to our knowledge, there are no comparative studies that provide empirical evidence of their validity to guide researchers and practitioners in their adoption of a particular conception. This study sought to close that gap…
Descriptors: Academically Gifted, Expertise, Evidence, Validity