Human: What is the difference between a thesis and a dissertation? Assistant: 
The main difference between a thesis and a dissertation is that a thesis is typically written in order to earn a degree, while a dissertation is usually written as part of a graduate program. A thesis is typically shorter than a dissertation, with a length generally ranging from 20-30 pages, while a dissertation can be up to 70-100 pages long. Additionally, a thesis often focuses on a single topic or issue, whereas a dissertation may explore multiple topics within a specific field.