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Aydin-Güç, Funda; Hacisalihoglu-Karadeniz, Mihriban – Acta Didactica Napocensia, 2020
The purpose of this study was to investigate the tessellation performance of 8th-grade students and factors affecting their performance. Student performances have been examined in two dimensions: identification and completion of tessellation. In this context, a diagnostic test containing two main questions with the content of determining whether…
Descriptors: Geometric Concepts, Pattern Recognition, Mathematics Skills, Mathematics Achievement
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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