Based on the article: Project-Based Learning vs. Problem-Based Learning vs. X-BL by John Larmer, Editor in Chief at the Buck Institute for Education on Edutopia

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Problem-Based Learning vs. Project-Based Learning

Because they have the same acronym, we get a lot of questions about the similarities and differences between the two PBLs. We even had questions ourselves -- some years ago we created units for high school economics and government that we called "problem-based." But we later changed the name to "Project-Based Economics" and "Project-Based Government" to eliminate confusion about which PBL it was.

We decided to call problem-based learning a subset of project-based learning -- that is, one of the ways a teacher could frame a project is "to solve a problem." But problem-BL does have its own history and set of typically-followed procedures, which are more formally observed than in other types of projects. The use of case studies and simulations as "problems" dates back to medical schools in the 1960s, and problem-BL is still more often seen in the post-secondary world than in K-12, where project-BL is more common.

Problem-based learning typically follow prescribed steps:

  1. Presentation of an "ill-structured" (open-ended, "messy") problem
  2. Problem definition or formulation (the problem statement)
  3. Generation of a "knowledge inventory" (a list of "what we know about the problem" and "what we need to know")
  4. Generation of possible solutions
  5. Formulation of learning issues for self-directed and coached learning
  6. Sharing of findings and solutions

If you're a project-BL teacher, this probably looks pretty familiar, even though the process goes by different names. Other than the framing and the more formalized steps in problem-BL, there's really not much conceptual difference between the two PBLs -- it’s more a question of style and scope:

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