The document provides instructions on how to write an effective thesis statement. It explains that a thesis statement has three key parts: the topic, a precise opinion on the topic, and reasons to support that opinion. It emphasizes that a good thesis statement is arguable and includes three pieces of evidence or reasons. The document also provides an example thesis statement on the topic of hip hop music and how it positively influences youth. It concludes by noting that an effective thesis statement tells the reader the topic that will be discussed and the argument or claim that will be made, supported by reasons.