SPSS Tutorials, including regression techniques
http://pages.infinit.net/rlevesqu/spss.htm

Social Science Research and Instructional Council – SPSS guide
www.csub.edu/ssricrem/spss/spsfirst.htm

Andy Field's website for his book (Field, 2009) on Statistics and SPSS
www.uk.sagepub.com/field3e

Statnotes: an online textbook by G. David Garson (includes multiple and logistic regression, path analysis and a host of other topics)
http://faculty.chass.ncsu.edu/garson/PA765/statnote.htm

Web Pages that Perform Statistical Calculations
http://statpages.org/

Methods@manchester – Survey-related Methods
www.methods.manchester.ac.uk/methods/survey-related.shtml

Correlation or Causation?
http://jonathan.mueller.faculty.noctrl.edu/100/correlation_or_causation.htm

Introduction to Statistical Analyses
www.le.ac.uk/bl/gat/virtualfc/Stats/introst.html/

Hyperstat Online Statistics Textbook
http://davidmlane.com/hyperstat/index.html