Editor's Note: John Larmer is the Director of Product Development at the Buck Institute for Education.
Many teachers and administrators -- not to mention the general public -- might have the wrong impression of PBL. Maybe they have stereotypical views of what a "project" is, or they've seen poor examples of it in the past. Or they can't imagine how it could fit in today's landscape of standards and testing ("Oh yeah, we did that in the 90's, but things were different then.")
Here are some common misconceptions and how you could respond with a "fact check" if you're trying to explain or defend PBL.