Critical thinking is a process by which the thinker improves the quality of his or her thinking by skillfully adjusting and adapting thought and imposing intellectual standards upon them.
Universal intellectual standards are standards which must be applied to thinking whenever one is interested in checking the quality of reasoning about a problem, issue, or situation.
Critical Thinking - Standards of Thought - Part 2 - By Richard Paul
Part 2 - Dr. Richard Paul defines the universal standards with which thinking may be "taken apart" evaluated and assessed. Excerpted from the Socratic Questioning Video Series. (9:55)