Links

A collection of websites of interest:
Center for Research Methods & Data Analysis at Kansas University:
Kris Preacher at Vanderbilt University:
Judea Pearl
http://bayes.cs.ucla.edu/jp_home.html
Applied missing data by Craig Enders
http://www.appliedmissingdata.com/
Mostly harmless econometrics
http://www.mostlyharmlesseconometrics.com/