1. American Association for the Advancement of Science. (1993). Benchmarks for science literacy. New York: Oxford University Press.
2. American Psychological Association. (2001). Publication manual of the American Psychological Association (5th ed.). Washington, DC: American Psychological Association.
3. Science education: A meta-analysis of major questions
4. , & (Eds.). (2000). How people learn: Brain, mind, experience, and school (expanded edition). Washington, DC: National Academy Press.
5. (1997). How science takes stock: The story of meta-analysis. New York: Russell Sage Foundation.