Conclusion 
This mini-module has been an introduction to critical thinking at the level of higher education. Hopefully, you will want to know more, so here are some links to the best places on the web to deepen your understanding of what critical thinking is all about, and how to incorporate it into your university work.
Critical Appraisal Skills Programme: A set of very useful guides to help healthcare students with critical reading.
Hong Kong University: A lot of interesting material here.
Plymouth University Learning Development: A very good Critical Thinking Guide with examples. [PDF]
Open University: The main points about being critical and quick questions you can ask.
Manchester University: An interactive guide to being critical.
University of Leicester: A great introduction to being critical in your writing - with examples.