What rereading is good for
Rereading is useful when the first pass was incomplete, the language is difficult, or you need to inspect a detail in context. It can support comprehension and help repair a mistaken interpretation.
The limitation is that visible text supplies many cues. Recognizing a sentence as familiar does not prove that you could explain the idea after closing the page.
What active recall adds
Active recall asks you to retrieve an answer before seeing it. That might mean explaining a concept aloud, answering a question, drawing a diagram from memory, or solving a problem without the worked example beside you.
The attempt produces useful feedback. A complete answer, a hesitant answer, and no answer at all should lead to different review decisions.
A simple way to combine them
Read a short section to understand it, then look away and reconstruct the main point. Check the source, correct the answer, and create a prompt for a later session. When you return, attempt the prompt before rereading.
- Read to understand new or confusing content
- Recall to test what is available without support
- Reread selectively when the recall attempt reveals a gap
- Apply when the subject requires problem solving or judgment
Avoid turning recall into another reading task
Flipping a flashcard immediately, choosing from obvious options, or copying a paragraph into notes can preserve the feeling of activity without requiring retrieval. Give yourself enough time to make a genuine attempt.
Do not measure quality only by the number of cards or questions completed. The useful signal is whether you can produce an accurate answer and use it in the way your course demands.