# Learning and reputation


**Contributors**

- [Meet a Campaign's participation requirements](/learning/eligibility)
- [Take a course or assessment](/learning/study)
- [Fill in your profile and verify your identity or skills](/learning/credentials)
- [Understand and improve your reputation](/learning/reputation)
- [Courses, versions, and results](/learning/learning): which course result counts toward a Campaign

**Developers**

- [Author courses and grade answers](/learning/authoring)