Active recall
Active recall is a study method where you retrieve information from memory instead of rereading it.
In more detail
Rereading notes feels productive but mostly builds recognition, not memory. Active recall flips that. You close the book and try to answer a question from memory, which forces your brain to rebuild the path to that fact and makes it far easier to recall later.
It is one of the most reliable study techniques in the research. Flashcards, practice questions, and writing an answer from memory are all forms of active recall.
Example
Close your lecture slides and write down everything you remember about the topic. Then open the slides and check. The gaps you find are exactly what to study next.
How to use it
- 1
Cover your notes or close the slides.
- 2
Answer a question or write what you remember, from memory.
- 3
Check against the source and mark what you missed.
- 4
Repeat what you got wrong sooner than what you already knew.
How StudyPDF does this
StudyPDF turns your own lectures into flashcards and practice questions, so every review is active recall on the material you actually need to know.
See also
Common questions
Is active recall better than rereading?
Yes. Rereading builds familiarity, which feels like learning but fades fast. Pulling the answer from memory is harder, and that difficulty is what makes it stick.
How often should I use active recall?
Little and often beats one long session. Test yourself across several short sessions and space them over days, which pairs active recall with spaced repetition.
Put it to work on your own course
Upload your lectures and ask Bo. Cited answers, plus flashcards, exams, and more built from your material.