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Direct linkNicole Shechtman; Jeremy Roschelle; Geneva Haertel; Jennifer Knudsen – Cognition and Instruction, 2010
Using data collected in 125 seventh-grade and 56 eighth-grade Texas classrooms in the context of the "Scaling Up SimCalc" research project in 2005-07, we examined relationships between teachers' mathematics knowledge, teachers' classroom decision making, and student achievement outcomes on topics of rate, proportionality, and linear…
Descriptors: Mathematics Instruction, Mathematics Curriculum, Teacher Characteristics, Decision Making
Van Dooren, Wim; De Bock, Dirk; Hessels, An; Janssens, Dirk; Verschaffel, Lieven – Cognition and Instruction, 2005
Previous research (e.g., De Bock, 2002) has shown that--due to the extensive attention paid to proportional reasoning in elementary and secondary mathematics education--many students tend to overrely on proportional methods in diverse domains of mathematics (e.g., geometry, probability). We investigated the development of misapplication of…
Descriptors: Age Differences, Mathematics Education, Arithmetic, Mathematical Concepts
