William Trochim's
Outstanding
research methods site
Clay Helberg's
Huge list of professional
organizations, software, and websites
Hossein Arsham's
Wonderfully informative site on many
statisticsrelated topics
MacTutor History of
Mathematics and Statistics
Brief bios on statisticians such as Gosett, Fisher, Pearson and many, many others. University
of St. Andrews, Scotland

SEMNET
Listserve
Multilevel
Modeling Listserve
Ed Rigdon
Structural equation modeling
Patrick Curran
Structural equation modeling,
longitudinal analysis, and latent growth curve analysis
Bengt Muthen
Structural equations and categorical
data analysis
Mplus SEM Webinars
Free tutorials on SEM with Mplus

Multilevel Models Project
At the University of Bristol. Information on multilevel regression, online courses,
videos, and more
Harvey Goldstein
Links, useful information, download a
free multilevel regression text (this is an advanced text)
Joop Hox
Lots of free publications and other
useful multilevel model information
HLM Software
Hierarchical linear model software, examples, links, and other useful information
Tom Snijders
Multilevel regression

UCLA ATS Statistical Consulting
Group
Extensive computing software examples for
nearly every statistical test using SAS, SPSS, Stata
and other software.
Scott Eliason
Categorical data analysis and more
statistics links
David Kenny
Mediation, regression, causal
modeling, psychometrics, MTMM and on and on
Dave Mackinnon
Mediation analysis
Lawrence DeCarlo
Useful macros for computing nonnormality statistics
in SPSS and SAS
