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Download full textHegedus, Stephen J.; Kaput, Jim – International Group for the Psychology of Mathematics Education, 2003
We report the findings of an empirical analysis of the performance of a group of middle and high school students before and after an after-school algebra enrichment program using the SimCalc software incorporating classroom networks. The results highlight statistically significant gains in their learning and briefly outline contributing factors of…
Descriptors: Enrichment Activities, Algebra, High School Students, Secondary School Mathematics
Leder, Gilah C.; Pederson, David G.; Pollard, Graham H. – International Group for the Psychology of Mathematics Education, 2003
In this paper we draw on data from a large mathematics competition, for the years 1987 to 2000 and use two different but closely related measures to investigate possible gender differences in performance. Our analyses revealed that small gender differences in favour of males persisted but had decreased over time. Consistent with reports from…
Descriptors: Gender Differences, Foreign Countries, Competition, Junior High Schools
McGraw, Rebecca; Arbaugh, Fran; Lynch, Kathleen; Brown, Catherine A. – International Group for the Psychology of Mathematics Education, 2003
In this research report we share results of a study of an adaptation of Lesson Study, a form of professional development typically used in Japanese elementary schools, with secondary mathematics teachers in the United States. We draw on Wenger's (1998) concept of "communities of practice" and Grossman, Wineberg, and Woolworth's (2001)…
Descriptors: Community Development, Mathematics Teachers, Professional Development, Foreign Countries
Kieran, Carolyn; Guzman, Jose – International Group for the Psychology of Mathematics Education, 2003
We present in this paper five case studies of instrumental genesis of number-theoretic concepts and techniques involving multiples, divisors, and numerical decomposition. The pupils, who were 12 to 15 years old, used the multi-line screen display of the graphing calculator to explore numerical tasks related to the "Five steps to zero"…
Descriptors: Task Analysis, Graphing Calculators, Mathematics Instruction, Case Studies
Manouchehri, Azita – International Group for the Psychology of Mathematics Education, 2003
In current study we interviewed 21 mathematics teachers who aspired to reform-based mathematics instruction. It was our hope to establish whether there were common traits among this teacher population, which could have influenced their supportive disposition towards innovative instruction. The participants shared several characteristics. (1) They…
Descriptors: Role of Education, Feedback (Response), Social Change, Educational Change
