Georgia State University
Georgia State University: Enabling Student Collaboration for Learning
Presented in a question and answer format, this site provides some useful information about student collaboration. Some of the questions answered are "why should students collaborate" and "how do I get students to collaborate".
Other
Global School Net: Collaboration in the Classroom and Over the Internet
This is a good resource for learning how to collaborate with other classes over the internet. This article provides good advice for how to get the most benefit out of your collaboration efforts whether they be in the classroom or over...
Virginia Tech
Collaborative Learning Enhances Critical Thinking
Included here is a study of collaborative learning versus individual learning. This study provides details of its methodology and its findings.