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Harvard Business School: The Path to Critical Thinking by Stever Robbins
An article written by Stever Robbins discussing how to become a critical thinker. This is written from a business perspective but the ideas can easily be applied to education.
Sophia Learning
Sophia: Arguments in Action: Mini Debates
This PDF lesson plan provides students the opportunity to practice the use of logic within a debate structure. Students are given controversial debatable topics, prepare for the debate, and hold mini-debates.