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Paz-Baruch, Nurit; Leikin, M.; Leikin, R. – Gifted and Talented International, 2022
Mathematical giftedness (MG) is an intriguing phenomenon, the nature of which has yet to be sufficiently explored. This study goes a step further in understanding how MG is related to expertise in mathematics (EM) and general giftedness (G). Cognitive testing was conducted among 197 high school students with different levels of G and of EM. Based…
Descriptors: Gifted, Mathematical Aptitude, Expertise, Factor Analysis
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Cheng, Weiyi; Lei, Pui-Wa; DiPerna, James C. – Journal of Experimental Education, 2017
The purpose of the current study was to examine dimensionality and concurrent validity evidence of the EARLI numeracy measures (DiPerna, Morgan, & Lei, 2007), which were developed to assess key skills such as number identification, counting, and basic arithmetic. Two methods (NOHARM with approximate chi-square test and DIMTEST with DETECT…
Descriptors: Construct Validity, Numeracy, Mathematics Tests, Statistical Analysis