Even if something is not on a test, students may still remember it: A new study shows that teachers don’t have to test everything they want their students to remember – as long as the knowledge they want to convey fits together well, and the test questions are well-chosen.

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Even if something is not on a test, students may still remember it: A new study shows that teachers don’t have to test everything they want their students to remember – as long as the knowledge they want to convey fits together well, and the test questions are well-chosen.