- See: Imagination Skill, Creative Agent, Problem Solving Skill.
- Ravi Mehta, and Rui Juliet Zhu. (2009). “Blue or red? Exploring the effect of color on cognitive task performances." Science 323, no. 5918.
- The next two studies tested whether red (versus blue), because of its activation of avoidance (versus approach) motivation, enhances performance on a detail-oriented (versus a creative) task.