## Keywords
[research methods](<../Bibliography/keywords/research methods>)
## Publication
[Download the annotated PDF](<https://attachments.kaanu.org/files/causal mechanisms 2010 Hedström & Ylikoski.pdf>)
<iframe style='width: 100%; height: 900px;' src='https://attachments.kaanu.org/files/causal mechanisms 2010 Hedström & Ylikoski.pdf'></iframe>
[Original Source](https://www.annualreviews.org/content/journals/10.1146/annurev.soc.012809.102632)