Before You Decide
Critical thinking begins before you decide whether something is true or false. Learn to identify what is actually being argued, how the reasoning works, and whether someone has already told you what to look for.
Begin Lesson 1 →Reconstruction before evaluation. First determine what argument was actually made.
Lessons
Interactive
Argument Map
Three lessons. One reasoning discipline.
Complete the lessons in order.
Before You Decide
Learn to identify the thesis and reconstruct an argument before deciding whether you agree with it.
Who Chose the Target?
Examine how headlines, questions, labels, statistics, images, and omissions can organize your attention.
Build the Argument Map
Expose the claims, evidence, inferences, assumptions, and frame that make an argument work.

