Source: Torp, L. & Sage, S. (2002). Problems as Possibilities: Problem-based learning for K-16 education. ASCD. ISBN#0-87120-574-2
DISCLAIMER: The following outlines were prepared by Miguel Guhlin. They may be freely distributed so long as credit is given to the authors of the text below. Any errors in the outline are Miguel Guhlin’s, not the authors.