The study techniques most students use — rereading, highlighting, cramming — are among the least effective things you can do with your time. The ones that actually work are well-documented in cognitive psychology research, but they're counterintuitive enough that most students never try them. Here are ten that do.
1. Active recall
Instead of rereading notes, close the book and try to retrieve what you know from memory. Every act of retrieval strengthens the memory. Research consistently shows this beats passive review by a large margin.
Practical form: after reading a chapter, close it and write everything you remember on a blank page. Then check what you missed.
2. Spaced repetition
Review material at increasing intervals — day 1, day 3, day 7, day 14, day 30. Forgetting slightly before you review strengthens the eventual memory more than reviewing while still fresh.
Apps like Anki automate this. So does any AI tutor worth using.
3. Interleaving
Instead of studying one topic to mastery then moving on, mix topics within a session. It feels harder (because it is), but produces much better retention and transfer.
Practical form: instead of 30 minutes of algebra then 30 minutes of geometry, mix problems from both every 10 minutes.
4. Self-explanation
After reading or watching something, explain it to yourself in your own words. Better yet, explain it out loud. Best: explain it to someone else (or an AI).
This is the Feynman Technique — a study technique named after a physicist who credited it with his understanding of anything complicated.
5. Elaborative interrogation
For every fact you're trying to learn, ask "why?" and "how?" You're not just memorizing — you're connecting new information to existing knowledge.
Research shows this works especially well for material you already have some foundation in.
6. Practice testing
Taking tests — even if you fail them — improves learning more than spending the same time rereading. This is the testing effect, one of the most replicated findings in learning science.
Take practice tests early and often. Don't wait until you "feel ready."
7. Dual coding
Combine words with images. Draw diagrams. Make concept maps. Your brain stores information in multiple ways when it's presented visually and verbally — making it easier to retrieve later.
8. Concrete examples
For every abstract concept, find or create concrete examples. Three or four examples work better than one. This helps you recognize the concept when it appears in unfamiliar forms.
9. Distributed practice (don't cram)
Five hours spread over a week produces far better retention than five hours the night before. This is one of the oldest findings in psychology — Ebbinghaus demonstrated it in 1885 — and it still beats cramming every time.
10. Sleep and exercise
Your brain consolidates memories during sleep. Cutting sleep to study longer is usually counterproductive. Exercise the morning before a study session improves focus and long-term retention.
This isn't fluff. The research on sleep and learning is overwhelming.
The common thread
Effective techniques all feel harder than ineffective ones. Rereading feels productive because it's easy and familiar. Active recall feels harder because you're actually doing work. The discomfort is the learning.
This is the key insight most students miss. Feeling like you're learning and actually learning are different things.
The bottom line
If you pick even three of these and use them consistently, you'll beat students who study twice as long with old-fashioned methods. iTutor is built around several of these — active recall, spaced repetition, self-explanation — because they're what actually moves learning, not just time-in-chair.