Critical Thinking Web

This educational web site provides over 100 free online tutorials on critical thinking, logic, scientific reasoning, creativity, and other aspects of thinking skills. Our online tutorials have been used by universities, community colleges, and high schools across the world.

The online tutorials are organized into over 10 modules listed on the left. You can also check out the following:

• Introduction - What is critical thinking?
• Sitemap - A complete list of the online tutorials
• Free download: Critical thinking mini-guide - a short booklet (PDF)
• Free download: Class exercises - Critical thinking exercises for teaching (PDF)
• Quiz - Test the consistency of your moral beliefs
• Puzzle - The hardest logic puzzle in the world!
• 101 philosophical questions to think about - one a day posting on twitter!

This site is maintained by Dr. Joe Lau at the Philosophy Department, The University of Hong Kong.

Chinese version of this site

Traditional Chinese (UTF-8 encoding)

Simplified Chinese (translated by Google; UTF-8 encoding)