Self Growth Part 4: Learn faster, remember longer

Rereading notes and highlighting feel productive, but they don't stick well. Testing yourself and spacing out your revision do, and decades of research back both.

Why rereading fools you

After a few reads, the material looks familiar, so you feel you know it. But recognising something on the page isn't the same as recalling it in an exam with the book closed. A large 2013 review of study methods rated rereading and highlighting as low value: they helped less than testing yourself or spacing out revision, which it rated highest.

Test yourself

Close the book and pull it out of your memory: write down everything you remember, answer practice questions, or explain the topic out loud as if you were teaching a friend. Then check what you missed and fill the gaps.

In a well-known experiment, students who tested themselves on a passage remembered 56% of it a week later. Students who spent the same time rereading it remembered 42%. Five minutes after studying, rereading had looked better. Testing feels harder, and that effort is what makes it stick.

Space it out

Go over the same topic several times, spread across days, instead of all at once. For example: the day after class, then a few days later, then a week later. Each time you almost forget and then recall it, the memory gets stronger. Cramming the night before can get you through the next morning, but it fades fast.

Mix your practice

When you practise problems, mix the types instead of doing twenty of the same kind in a row. It's harder, but you learn to spot which method each problem needs, and that's exactly what an exam asks of you.

Sleep is part of studying

Your brain strengthens what you learned while you sleep. An all-nighter before an exam usually costs more than it gains.

Ishaan's new routine

Ishaan used to reread his DBMS notes for three hours before each exam. Now, after every lecture, he writes five questions on what was covered. The next day, and again at the weekend, he answers them without notes and marks what he got wrong. It takes less time, and he remembers more.

Try it

After your next class, close your notes and write down everything you remember for five minutes. Check what you missed. Do the same tomorrow, and again next week.

---

Next: Self Growth Part 5: Build real confidence