The intellectually disciplined process of actively and skillfully conceptualizing, applying, analyzing, synthesizing, and/or evaluating information gathered from or generated by observation, experience, reflection, reasoning, or communication as a guide to belief and action. In its exemplary form, it is based on universal intellectual values that transcend subject matter divisions: clarity, accuracy, precision, consistency, relevance, sound evidence, good reasons, depth, breadth, and fairness. (http://www.criticalthinking.org/aboutCT/define_critical_thinking.cfm)
คือ การใช้เหตุผล หลักฐานและตรรกะมาวิเคราะห์ให้แน่ชัดก่อนลงความเห็นหรือตัดสิน