Figure 2. Illustrated relation among Carver and White’s BIS/BAS scale, Cloninger’s NS and HA, and Chae and Lee’s SPQ in this study.

Yin and Yang groups are two opposite ends of Sasang Personality Questionnaire; Yang is a high (30%) SPQ score group who is active, easy-going and dynamic, while, Yin is a low (30%) SPQ score group who is passive, meticulous and static. Yang-related measures are marked with red solid line, and Yin-related measures are marked with blue dotted line.