Hi Barbara, did you go to http://learningcenter.nsta.org/products/symposia_seminars/NG...5-2012.pdf ? There should be 132 slides in the whole presentation.
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Couldn't agree more with the need to attend to relevance. Yes, PBL is an improvement over text-based instruction, but again, in terms of reality, if the problem isn't well defined to begin with, the unit will be less than effective. Using the example problem yesterday, I can envision a fair number of my students who would say they couldn't care less about businesses or what government leaders migh...
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