Critical thinking is often a desired outcome in an introductory astronomy course, but it is often poorly defined. The model developed by Linda Elder and Richard Paul provides an internally consistent framework for both defining and implementing critical thinking. This article provides suggestions for using it in a typical introductory astronomy course.

1.
Richard
Paul
and
Linda
Elder
,
The Miniature Guide to Critical Thinking Concepts and Tools
, 6th ed. (
Foundation for Critical Thinking
,
2009
).
2.
Gerald M.
Nosich
,
Learning to Think Things Through: A Guide to Critical Thinking Across the Curriculum
, 4th ed. (
Prentice Hall
,
2011
).
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