CSU Social Sciences Research and Instructional Council Teaching Resources Depository
Inter-University Consortium for Political and Social Research
Karl Popper (and falsifiability)
Lancaster University Center for Applied Statistics (includes accessible material in the "short courses" and a glossary of statistical terms & examples, etc.)
McGraw Hill Business Statistics Center (has links to data sets available for use)
Microsoft Excel for Statistical Analyses
Online statistics: An interactive multimedia course of study