Highly condensed, with all the main points, and graphics too!
Just below is a summary of Zhang, J., Scardamalia, S., Reeve, R., & Messina, R. (2009). Designs for Collective Cognitive Responsibility in Knowledge-Building Communities, Journal of the Learning Sciences (18), 1, 7-44
[…] provided a summary of the Zhang et al. article, apparently especially dedicated to Martin […]