According to Anders Ericsson, psychologist, and expert researcher, Adaptive Thinking involves the ability to recognize unexpected situations, quickly consider various possible responses, and decide on the best one. As you might expect, this ability is critical for high-stakes performance. While most people with adequate levels of skill and competency can usually perform well in routine circumstances, it is the ability to perform at a high level under unpredictable or stressful circumstances that often sets apart truly expert performers.