Educators and policy makers confront challenging questions of ethics, justice, and equity on a regular basis. Should teachers retain a struggling student if it means she will most certainly drop out? Should an assignment plan favor middle-class families if it means strengthening the school system for all? These everyday dilemmas are both utterly…

Roughly 54 million people with disabilities live in the U.S., and there are many more millions of people with disabilities around the world. Not surprisingly, differences among and between people with disabilities are often as notable as differences between people with and without disabilities. While the lack of homogeneity among people with…

This second volume of the 31st annual proceedings of the International Group for the Psychology of Mathematics Education conference presents research reports for author surnames beginning Alc- through Hal-. Reports include: (1) How Do Your Students Think about Proof? A DVD Resource for Mathematicians (Lara Alcock); (2) Teachers' Conceptions of…