Book of the Month: Think Again

A rule of thumb is a heuristic – a practical approximation, not guaranteed to be optimal, perfect, or rational – that is sufficient to reach a short-term goal.

Think Again begins with the common knowledge that when taking a test your first answer is the correct one. Turns out that’s not true. When researchers looked at test papers for eraser marks, and changed answers, they found that overwhelmingly when people thought again, changed their answer, they changed it from the wrong answer to the correct answer.

What else could the common knowledge be wrong about?
And how would thinking again bring benefit.
Thinking . . .


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