This document outlines the significance of study in writing an introduction to a thesis. It discusses what significance should answer, including why the work is important, its implications, and how it will inform policy or understanding. The purpose of significance is to show how the research may resolve theoretical questions, influence models or policy, or change practices in a field. Techniques for writing significance include directly referring to the problem statement and writing from general contributions to specific impacts. Examples provided show significance discussing how a study on VoIP technology could benefit providers and users by increasing awareness of threats, and how a study of student online communities could help transfer learning from informal to formal settings.