
S6 Ep 20 Communities of Practice with Sharon Ravitch (Recast)
Dr. Sharon M. Ravitch is a Professor of Practice at the University of Pennsylvania's Graduate School of Education - and the person who chaired Preston's dissertation committee. In this conversation, originally released in January 2023, Sharon joins Preston to talk about communities of practice: historically, a craftsman's model (carpenters, ironworkers, silversmiths), and MCTI's model that describes instructor cadres — groups who build shared language and expertise around a particular kind of problem. Sharon reframes it as hybridized expertise because everyone in the room is already an expert of their own experience. New knowledge gets created when practitioners come together to examine what they do every day — not when it's handed down from the academy. From there the conversation moves through the significance of connection, reflection as a muscle that atrophies without white space in the curriculum (Viktor Frankl's "space between stimulus and response" comes up), and trading risk rather than mitigating it. We're posting this Recast now because it's part of the iterative process behind Preston's recent white paper, The Fourth Generation of Military Special Operations Selection & Assessment. Communities of practice is exactly the concept the paper builds on and then pushes past: where a community of practice is organized around a shared subject (psychologists as one community, instructor cadre as another), a community of praxis is what happens when distinct communities, i.e., academics, cadre, and leadership, stop working in parallel and work together toward a common outcome. You can hear Preston and Art Finch talk through that model directly in S6 Ep5. If you find value in this discussion, the best way to support our work and stay up to date on future episodes is to subscribe and leave us a quick rating or review. It helps us reach more people who need to hear these conversations.
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