Critical Thinking: What it is and why it's important

What's the difference between a good argument and a bad argument? Learn the foundational principles of logic and argument analysis. 

Learn about cognitive biases and the psychology of persuasion, and how to use this knowledge to be a more effective critical thinker.

Learn how human "groupishness" is both our greatest gift and weakness. Explore how our group identities shape our perception of the world. 

Learn how to write a good argumentative essay, plus many practical tips for becoming a better writer and communicator.

People are prone to errors in reasoning about probability. Learn how to think more critically about chance and uncertainty.