A design experiment with 18 students in a regular seventh grade math class was conducted to investigate how to differentiate instruction for students' diverse ways of thinking during a 26-day unit on proportional reasoning. The class included students operating with three different multiplicative concepts that have been found to influence rational…

Considering that group formation is one of the key processes in collaborative learning, the aim of this paper is to propose a method based on a genetic algorithm approach for achieving inter-homogeneous and intra-heterogeneous groups. The main feature of such a method is that it allows for the consideration of as many student characteristics as…

The purpose of this study was to describe the experiences of adult musicians in two long-standing flute choirs. Data were collected through observations, field notes, and in-depth interviews with 16 ensemble members. Salient statements were grouped into meaning units and clustered into 5 themes: Serendipity, Rewards, Challenges, Directors'…

Evidence suggests that single-sex groups for science, whether in mixed schools or in single-sex schools, do not improve the attainment of girls in first-year science. Boys are shown to perform equally well upon knowledge-based tests; but upon mechanical reasoning and evaluation of data tests, boys perform significantly better than girls. (Author)