Intersting Links (Provided by Bob Heckard, Penn State University)

Surveys and Public Opinion Polls

• Gallup Polls: Recent polls done by the Gallup Polling organization.
• PollingReport.com    A collection of recent poll results from many different sources.
• National Council on Public Polls Excellent article entitled "20 Questions a Journalist Should Ask About Poll Results
• National Opinion Research Center
• USA Today Internet Polls about Health   Volunteer samples
• CNN Polling Details : A Frequently Asked Questions page explaining how CNN polls are usually conducted.

Observational Studies and Experiments

• Reuters Daily Health News : Good daily summaries of health related news. Nice source of current examples.
• USA Today Health Index : An archive of past health stories in the USA Today newspaper.
• CNN Health News : CNN current health related stories.

General Resource Sites

• Chance News : A newsletter of miscellaneous media items useful for class discussion.
• Archive of Mathematical Mistakes : Collection of examples of ways people misinterpret numbers. Many of the examples are statistical.
• The Junk Science Home Page : The name of the site says it all. The author of this site show no mercy in his criticisms of topical research studies.
• How Numbers Are Tricking You   Examples of misleading statistics.