Sage Research Methods is a database of research methodology covering all kinds of topics related to research design and analysis like literature review, experimental design, sampling, data analysis, measurement, regression and evaluation. Users can search for the required concepts or use the visual Methods Map tool to discover relationships and to link up to relevant content. Full text drawn from over 600 titles comprising of books, encyclopedias and handbooks as well as selected articles and videos are fully indexed.
Critical Thinking : Where to begin -- The Foundation for Critical Thinking
Teacher's Corner: Teaching Critical Thinking Skills -- American English, US Department of State
Assessment to Critical Thinking -- Stanford Encyclopedia of Philosophy
Education Method, Critical Thinking -- Stanford Encyclopedia of Philosophy
6 Ways to Improve Critical Thinking at Work -- Indeed.com
5 TED-Ed Lessons to help you teach critical-thinking skills -- e-school News