The Critical Thinking Community - Providing a forum and resources about Socratic questioning, higher order thinking, and critical thinking. Organizer of conferences and publisher of books and academic resources for teachers. National Center for Teaching Thinking - A service organization for educators dedicated to providing programs for K - 12 schools and colleges on teaching and assessing skillful thinking. Mission: Critical - Tutorial for critical thinking. Real-World Reasoning - A course given by Peter Suber for high-school students as an introduction to college. Association for Informal Logic and Critical Thinking (AILACT) - A non-profit scholarly association which aims to promote research into, teaching of, and testing of informal logic and critical thinking. Philadelphia Association for Critical Thinking - Addressing strange phenomena with the mindset, "What are the facts and what can we deduce from them?" 2think.org - Collection of book reviews and essays, mostly on popular science, with an emphasis on science as a guide to truth. Also includes a discussion forum. Propaganda and How to Recognize It - Essay on propaganda techniques. Open Courseware on Critical Thinking - Over one hundred tutorials on critical thinking, logic, scientific reasoning, creativity, and other aspects of thinking skills. Responsible Thinking - Online book by Bob Korn promoting critical thinking. Outline, contact information. Skeptoid: Critical Analysis of Pop Phenomena - Provides a weekly podcast dedicated to furthering knowledge by eliminating the widespread pseudosciences that infect popular culture. So You Want to Avoid Common Logical Errors? - Gives logical errors a name and points out the most common logical errors and how to avoid them. A Field Guide to Critical Thinking (Skeptical Inquirer Winter 1990) - Six rules of evidential reasoning, a distillation and simplification of the scientific method. Ignoring the vowels, the letters in the word "FiLCHeRS" stand for the rules of Falsifiability, Logic, Comprehensiveness, Honesty, Replicability, and Sufficiency. Carl Sagan's Baloney Detection Kit - Tools for testing arguments and detecting fallacious or fraudulent arguments, based on Sagan's book "The Demon Haunted World: Science as a candle in the dark." Free From Faith - Comments on religion, science and scepticism. Wikipedia - Critical Thinking - Crowd-sourced encyclopedia article includes an overview, concepts and principles, classroom applications, and effectiveness of instruction.