## Keywords [research methods](<../Bibliography/keywords/research methods>) ## Publication [Download the annotated PDF](<https://attachments.kaanu.org/files/causal mechanisms 2008 Little.pdf>) <iframe src='https://docs.google.com/gview?url=https://attachments.kaanu.org/files/causal mechanisms 2008 Little.pdf&embedded=true' style='width:100%; height:1000px;' frameborder='0'></iframe> [Original Source](https://undsoc.org/2008/10/29/causal-mechanisms/)