This document outlines 15 common cognitive distortions: all-or-nothing thinking, overgeneralizing, mental filtering, discounting positives, jumping to conclusions, magnifying/minimizing, emotional reasoning, "should" statements, blaming, labeling, personalization, always being right, fallacy of change, control fallacy, and fairness fallacy. It provides examples and explanations of each distortion to help the reader identify thinking patterns that may negatively impact emotions and behaviors. The goal is to recognize distorted thinking in order to intentionally change emotions and behaviors.