"How to Use the "4 C's" Rubrics - This excerpt appears in the Buck Institute for Education's book, "PBL for 21st Century Success: Teaching Critical Thinking, Collaboration, Communication, Creativity." Rubrics for each of the "4 C's" are in the book, and we offer guidance below on how to use them in a PBL context."
"BIE has created free materials - "FreeBIEs" - such as planning forms, student handouts, rubrics, and articles for educators to download and use to design, assess, and manage projects."