These are some of our most referenced books and links...<under construction>
General Stats
An Introduction to Statistical Inference and Its Applications with R - Michael Trosset
Data Analysis Using SAS - Joanne Peng
Discovering Statistics Using SPSS - Andy Field
Specific Methods
Regression Models for Categorical Dependent Variables Using Stata - Scott Long
Hierarchical Linear Models - Raudenbush & Bryk
Applied Logistic Regression - Hosmer & Lemeshow
An Introduction to the Bootstrap - Efron & Tibshirani
By Field of Study
A Guide to Doing Statistics in Second Language Research Using SPSS - Jenifer Larson-Hall
General Stats
UCLA Statistical Computing - http://www.ats.ucla.edu/stat/
Statistical Associates Publishers, by G. David Garson - http://www.statisticalassociates.com
Simple Interactive Statistical Analysis (SISA)- http://www.quantitativeskills.com/sisa/index.htm
Specific Methods
Chi-square tests online - http://people.ku.edu/~preacher/chisq/chisq.htm
Mediation Analysis, by David Kenny - http://davidakenny.net/cm/mediate.htm
Effect Sizes - http://www.uccs.edu/~faculty/lbecker/es.htm
Power & Sample Size, by Russ Lenth - http://www.cs.uiowa.edu/~rlenth/Power/
Reporting
APA Statistics - http://my.ilstu.edu/~jhkahn/apastats.html
APA Tables - http://owl.english.purdue.edu/owl/resource/560/19/