Project Approach
- A comprehensive site on the theory and methodology; contains interactive spaces as well as examples (Sylvia Chard).
- http://www.project-approach.com/

IMSA Center for Problem-Based Learning
- The Center was established by the Illinois Math and Science Academy to engage in PBL research, information exchange, teacher training, and curriculum development in K-16 educational settings.
- http://www.imsa.edu/programs/pbl/cpbl.html

Problem Based Learning (Maricopa Community College)
- An overview, a collection of reviewed web sites and print material, lesson ideas and original publications. Includes a mathematics lesson that involves using the Internet to research the problem underlying an automobile purchase.
- http://www.mcli.dist.maricopa.edu/pbl/

The Socratic Method: Teaching by Asking Instead of by Telling
- An explanation of the Socratic method of teaching by guided questioning.
- http://www.garlikov.com/Soc_Meth.html

Instructional Design Models
- Comprehensive set of links to major models for instruction.
- http://www.cudenver.edu/~mryder/itc_data/idmodels.html

Problem-posing, Problem-solving, Persuasion
- The BioQUEST Curriculum Consortium emphasizes the 3 P's of science education: Problem-posing, Problem-solving and Peer Persuasion.
- http://bioquest.org/peas.html

Problem-Based Learning
- A method in which learners are progressively given more responsibility for their own education. PBL uses real world problems to stimulate learning, and to integrate and organize learned information in ways that will ensure its recall and application to fu
- http://pbli.org/

Constructivism and the Five E's
- An explanation of the five E's approach: Engage, Explore, Explain, Elaborate and Evaluate (Miami Museum of Science).
- http://www.miamisci.org/ph/lpintro5e.html