Founded by Richard Paul at Sonoma State University. Critical Thinking Across the Curriculum Project Longview Community College Missouri has a major initiative on critical thinking. The Reasoning Page A rich multi-link source page by Bruce Janz of Augustana College. ERIC ERIC links to relevant ERIC Resources including useful on line ERIC Digests on various critical thinking issues. This may provide a useful model for developing a similar project.
Orientation seems to be more from the psychologist perspective than that of philosophers.
There is a good list of reference sites for those doing web based research in aid of making cogent arguments. The tools are commercially available, but he also has some simple investigative tools about attitudes and some of his own research freely available on the site. Both his resources section and assessment tools contain valuable information, for example his Holistic Critical Thinking Scoring Rubric is a good place to start thinking about how to assess the essential ability of critical thinking. A website that actually teaches critical thinking with interactive tutorials. Emphasis is on the fallacy approach.