According to the research on expertise and problem solving,

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Research on expertise and problem solving has found that experts are more likely to use structural features when representing problems. This means they focus on the underlying relationships between different parts of the problem, rather than just the surface details. This allows them to better understand the problem and develop more effective solutions. Expert chess-players may be better at remembering specific chess positions than novices, but this is not the main focus of research on expertise and problem solving. Experts and novices may use similar means-ends heuristics, which involve breaking down a problem into smaller sub-problems and solving them individually. Finally, while experts may be able to predict whether a problem will be difficult for novices, this is not the main focus of research on expertise and problem solving.

According to the Research on Expertise and Problem Solving