Frustration and dissatisfaction are famous sources of creative catalysis. Why go to the trouble of creating unless there's a reward for expending the extra eff

Frustration and dissatisfaction are famous sources of creative catalysis. Why go to the trouble of creating unless there's a reward for expending the extra effort? Maybe the OP psychologists needed to motivate their subjects better. Maybe exceeding a sufficient threshold of desire is essential in order for someone to "get creative"?