> For the complete documentation index, see [llms.txt](https://eval.playbook.org.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://eval.playbook.org.ai/social-impact/level-4-impact-evaluation.md).

# Level 4 - Impact Evaluation

- [Overview](https://eval.playbook.org.ai/social-impact/level-4-impact-evaluation/overview.md): Do users with access to the product improve development outcomes?
- [Who is involved in this evaluation?](https://eval.playbook.org.ai/social-impact/level-4-impact-evaluation/why-is-this-level-of-evaluation-important.md)
- [What is the “intervention” being evaluated?](https://eval.playbook.org.ai/social-impact/level-4-impact-evaluation/what-is-the-intervention-being-evaluated.md)
- [Minimum Viable Evaluation](https://eval.playbook.org.ai/social-impact/level-4-impact-evaluation/minimum-viable-evaluation.md)