to some extent like Dewey, philosopher Harvey Siegel (1988) believed that critical thinking is the result of action. He held on the conception of two dimensions of critical thinking, stating that a critical thinker is “one who is appropriately moved by reasons” (p. 32). His description, then, includes two dimensions—a reason assessment component and a critical attitude component. The reason assessment component involves the critical thinker being able to understand and put into practice the principles governing the assessment of reasons, where the critical attitude component implies that the critical thinker embodies certain dispositions and habits of the mind. Siegel called it a “critical spirit” (p.
