Learning & Memory, Lecture 4: Spacing, retrieval, and why cramming fails
52:18 · sample lecture
The spacing effect
- Same study time, spread out
- Retrieval effort strengthens memory
- Familiarity is not recall
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Answers come from the transcript. Click a timestamp to play it.
Why does spacing beat cramming?
Two reasons come up. Each time you return to material after a gap, you have to work to retrieve it, and that effort is what strengthens the memory . Cramming feels better because the material is still fresh, so recognition gets mistaken for knowing .
The lecturer's practical version: review after one day, then three days, then a week .
Give me the review schedule as a checklist I can follow.
From the section starting at :
- Day 1: answer practice questions on the material, without your notes
- Day 3: repeat with a fresh set of questions
- Day 7: mix in older topics so the questions are interleaved
- Each time: try to answer before checking. If it feels hard, that's expected
Does the lecture say anything about flashcard apps?
Briefly, in the Q&A. Flashcards work as long as you commit to an answer before flipping the card . Flipping first turns the exercise back into recognition, which is the problem described at .
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