The demographic makeup of the student population in higher education has changed in dramatic ways over the past decade. These changes have motivated questions about what constitutes knowledge and about how we learn and understand new concepts, processes, and Is this collaboration? / Jeanne Marcum Gerlach --Teacher as knowledge and authority in collaborative learning / James L. Flannery --Developing collaborative skills in college students / Kris Bosworth --Group understanding group success and failure in collaborative learning / Judith E. Miller, John Trimbur, John M. Wilkes --Critical thinking and collaborative learning / Craig E. Nelson --Computer technology and collaborative learning / Patricia Sullivan --Assessing effectiveness in the collaborative classroom / Sharon Farago Cramer --Case studies / Allen Emerson [and others] --Freedom toward a developmental model for the construction of collaborative learning environments / Sharon J. Hamilton.