10 Simple Rules for Collaborative Lesson Development Devenyi et al. 2017 4. Encourage and empower contributors 3. Teach best practices for lesson development 2. Make lessons modular 1. Clarify your audience 9. Link to other resources 8. Reduce, re-use, recycle 10. You can’t please everyone 6. Publish periodically and recognize contributions 5. Build community around lessons 7. Evaluate lessons at several scales great! terrible M T W T F S S 1 2 3 4 56 7 8 9 10 11 1213 14 15 16 17 18 1920 21 22 23 24 25 2627 28 29 30