Self-determination Theory ( http://www.psych.rochester.edu/SDT/index.html ) - a site from Edward Deci et al. on their motivational theory -- it includes an overview, bibliography, discussion of the reward controversy ( overjustification effect ), related scales that can be downloaded and more
Polling Data ( http://www.pollingreport.com/index.html ) - PollingReport.com states that it is "an independent, nonpartisan resource on trends in American public opinion." You can find an extensive collection of polling results on a variety of topics here, and it is kept current.
World Values Survey ( http://www.worldvaluessurvey.com/ )
"The World Values Survey is a worldwide investigation of sociocultural and political change. It is conducted by a network of social scientist at leading universities all around world. The survey is performed on nationally representative samples in almost 80 societies on all six inhabited continents. A total of four waves have been carried since 1981 allowing accurate comparative analysis." Find the questionnaires used. Data sets are available for analysis, even some online analysis.