It's about how people approach (math) problem solving, how people don't notice when they are using poor strategies and getting stuck, and then things the author did when teaching students how to improve that.
(The "Read full-text" link works without any login or money, it's not just an abstract).
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[ 0.19 ms ] story [ 14.7 ms ] thread(The "Read full-text" link works without any login or money, it's not just an abstract).