Contains books and other media reviews, sciences and arts discussion materials, and links to other critical thinking resources.

Nonprofit scholarly association whose aim is to promote the research, teaching, and testing of informal logic and critical thinking.

Forum for the critical discussion of advertising, religion, politics, science, and general life.

Collates critical learning materials and a variety of information from different countries and people.

Offers critical thinking materials and learning resources for families and classroom educators. The resources help develop critical thinking skills.

Website of the Foundation and Center for Critical Thinking. Presents information on the Center's mission, activities, and conferences.

Addresses the nature, teaching, and assessment of critical thinking, with definitions, teaching methods, articles, comments, and FAQs.

Computer assisted introduction to critical thinking, informal logic, and logic. Features electronic texts, software, and a student guide to writing student papers.

Find an introduction to critical thinking and the importance it makes when making decisions.

Offers critical thinking resources on a variety of subjects for current and future educators, administrators, and educational departments.

Dedicated to stimulating unconventional thinking and unexpected discoveries — in topic areas ranging from curing and preventing disease, to formulating enforceable global environmental policies and increasing human potential.

Educational service organization providing critical thinking workshops, staff development programs, and resources for schools and colleges.

Collection of educational tools to counter irrational assumptions, strengthen rational beliefs, avoid belief traps, and encourage critical thinking in general.

Serves as an online community that advocates for more thoughtful, empathetic, and enlightened thinking.