## Keywords [research methods](<../Bibliography/keywords/research methods>) ## Publication [Download the annotated PDF](<https://attachments.kaanu.org/files/causal mechanisms 2008 Little.pdf>) <iframe style='width: 100%; height: 900px;' src='https://attachments.kaanu.org/files/causal mechanisms 2008 Little.pdf'></iframe> [Original Source](https://undsoc.org/2008/10/29/causal-mechanisms/)