Outlines more than a dozen factors that may be “obstacles to creativity” (e.g., an overly critical nature, fear). (Howard, pierce J., PhD. The Owner’s Manual for the Brain. GA: Bard Press, 2000, pp 616-618)

Mof our educational system tries to teach students the right answer. However, most people stop searching if they think there is only one correct answer to a problem. (von Oech, Roger. A Whack on the Side of the Head. CA: Creative Think, 1983, 1992, pp 20-164)