The contrasting performance of our ‘ordinary’ experts (around 3 SDs above average performance) and our ‘super’ experts (more than 5 SDs above average performance) suggests that both options are possible depending on the expertise level and the problem difficulty. In the first experiment the ordinary experts all spotted a well-known solution. They looked for a better one but failed to find it. Similarly, the super experts all found the well-known solution first and then looked for a better one. In contrast to the ordinary experts, they all found it.
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