This document provides an overview of critical thinking concepts covered in Module 1 of the course. It defines thinking and different types of thinking. Critical thinking is defined as purposefully analyzing, evaluating, and reasoning about information to form judgments. The document outlines several critical thinking standards including clarity, accuracy, precision, relevance, depth, breadth, and logic. It provides examples to illustrate each standard and how a statement could potentially lack one or more of the standards. The overall purpose of the module and course is to help students improve their thinking and critical thinking skills.