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What are your suggestions for the best resources on teaching "critical thinking"?
Joseph Foster's profile photoGinger Lewman's profile photoJunaid Hanif's profile photoNick J's profile photo
Shared Inquiry (Great Books) is a great resource. But the best resource is a teacher who is a critical thinker and who models "think-alouds." Tanny McGregor's Comprehension Connections is a practical and popular guide for teachers, especially re moving kids from concrete to abstract thinking.
Sorry I couldn't elaborate. You have a Best Sites for Problem-Based Learning, don't you?
I have one on cooperative learning, which includes a lot of PBL stuff
"Critical Thinking" can't be taught on its own, in my experience. It is a side-effect of knowledge. Expose students to multiple convincing opinions on a matter. One track I've done is in history:
Samuel Eliot Morison (excerpt from his Columbus stuff) paired with
Howard Zinn (intro to People's History--mentions/opposes Morison directly and lays out his philosophy of history). Then
Jack Weatherford (Genghis Khan and the Making of the Modern World--more "revisionist" history) Then
Jared Diamond (intro to GGS, maybe essay "Worst Mistake in the History of the Human Race" too. Interdisciplinary/"scientific" history) Then
Karl Marx (intro to Communist Manifesto--see a "grand narrative" approach to history. Can be paired with a Bakunin excerpt or even Hobbes-->Locke-->Jefferson)
Edward Said (Intro to Orientalism--this requires a substantial foray into what Foucault meant by "discourse," since it's at the heart of Said's thinking. Also, Gramsci's def. of "hegemony")
Then I usually take a step back into less "theory" stuff and do a sort of focused sub-unit on McNamara, starting with a hagiographic piece from an old NYTimes ("McNamar's New Sense of Mission" I think is the title), followed by a SCATHING CHomsky article on McNamara, then show The Fog of War by Errol Morris.

If kids aren't thinking with some critical faculty by the end of that, they are actively resisting doing so.

(I have another maybe even more fun track that's Lit Crit based...)
(that's for high school kids here in Seoul, fwiw)
I think properly, its taught every single day at every possible moment. Before someone makes a decision that's silly. When someone earns natural consequences for the wrong decision. When a teacher/parent asks a child questions to promote thinking and decision-making rather than just telling them what-to, when-to, how-to. These types of active brains are then more open to weighing ideas in a more academic setting than those that are just fed and directed by an outside source.

This belief and understanding has been one of the foundations of our LifePractice Model of education, practicing real life in our schools instead of what is currently happening. Freedom and Responsibility are two sides of the same coin. 
Nick J
I agree with +Joseph Foster, though perhaps without the addition of Jared Diamond. Invaluable in an exploration of critical thinking, however, is Freire's Pedagogy of the Oppressed.
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