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Lombardi, Caitlin McPherran; Casey, Beth M.; Pezaris, Elizabeth; Shadmehr, Maryam; Jong, Margeau – Journal of Cognition and Development, 2019
The development of math reasoning and 3-d mental rotation skills are intertwined. However, it is currently not understood how these cognitive processes develop and interact longitudinally at the within-person level -- either within or across genders. In this study, 553 students (52% girls) were assessed from fifth to seventh grades on 3-d mental…
Descriptors: Mathematical Logic, Spatial Ability, Mathematics Skills, Cognitive Processes
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Silver, Edward A.; Mesa, Vilma M.; Morris, Katherine A.; Star, Jon R.; Benken, Babette M. – American Educational Research Journal, 2009
The authors present an analysis of portfolio entries submitted by candidates seeking certification by the National Board for Professional Teaching Standards in the area of Early Adolescence/Mathematics. Analyses of mathematical features revealed that the tasks used in instruction included a range of mathematics topics but were not consistently…
Descriptors: National Standards, Early Adolescents, Teacher Certification, Mathematics Instruction