Argumentation courses, which emphasize the theories of argumentation, and debate courses, which teach competitive debate, can effectively teach critical thinking, training students to see situations from a variety of perspectives and then to evaluate those perspectives for their relative merit. William G. Perry maps out nine stages by which…

A study examined and tested the knowledge sources individuals tap in the planning process and the process of plan modification. It is expected that contrary to plan-based theories, individuals will fail to remediate flaws in their plans if given the chance to develop a plan to pursue the same goal. It is also expected that differences exist…