A course in Critical Thinking from the Center for Innovation in Legal Education

• Episode 1.1: What is Critical Thinking?
• Episode 1.2: Understanding Arguments
• Episode 1.3: Deductive and Inductive Arguments
• Episode 1.4: Premises and Conclusions
• Episode 1.5: What is an Argument?
• Episode 1.6a: Evaluating Language, Part 1
• Episode 1.6b: Evaluating Language, Part 2
• Episode 2.1: Facts and Opinions
• Episode 2.2: Unstated Assumptions
• Episode 2.3: Truth and Acceptability
• Episode 2.4: Relevance and Sufficiency
• Episode 3.1 Theories and Methods
• Episode 3.2 Assessing Acceptability
• Episode 3.3 Sources and Biases
• Episode 3.4 Fallacies and Errors
• Episode 4.1 Necessary and Sufficient
• Episode 4.2 Common Errors of Relevance
• Episode 4.3 The Many Forms of Inductive Arguments
• Episode 4.4 Understanding Causal Reasoning
• Episode 4.5 Common Errors in Causal Reasoning
• Episode 5.1 Identifying and Defining Problems
• Episode 5.2 Perspective
• Episode 5.3 Constraints
• Episode 5.4 Constantly Reevaluating

A course on Science Based Medicine by Harriet Hall (You tube) The James Randi Foundation

• Lecture 1: Science Based Medicine vs.Evidence Based Medicine
• Lecture 2: What is CAM
• Lecture 3: Chiropractic
• Lecture 4: Acupuncture
• Lecture 5: Homeopathy
• Lecture 6: Naturopathy and Herbal Medicines
• Lecture 7: Energy Medicine
• Lecture 8: Miscellaneous "Alternatives"
• Lecture 9: Pitfalls in Research
• Lecture 10: Science-Based Medicine in the Media and Politics

Here Be Dragons by Brian Dunning (Skeptoid) This is a free introductory video to Critical Thinking, offering a brief survey of the tools. The author also is responsible for the 'Skeptoid' podcasts (available at skeptoid.com), which tackle many contemporary topics from a skeptical Critical Thinking perspective.