On 12 May 2000, [no author] wrote: >There is a soon to be published book edited by Sharon Senk and Denisse >Thompson entitled something like "What Research Tells Us About >Standards-Based Math Curricula." There is a chapter on the research >of each of the NSF-funded math curricula projects K-12. (well, maybe >only 75% of them, but close to all.) Following each of the sections >on elementary math, middle school math, and high school math, there is >a synthesis chapter and a critique of the research. The only problem >is, the book is somewhat delayed. The authors of individual chapters >may be of help. I can send anyone who wants it a copy of the >"Investigations" research (a shorter version than the chapter), which >includes results of four studies--two dissertations and two in-house >studies. Hope this helps. There is research on these curricula, and >as far as I know, little or none of it has been done by the >publishers. Yes, some of it has been done by the developers, but the >developers include top notch researchers, university professors, and >other experts who are well aware of how to deal with possible sources >of bias in conducting and interpreting research.