Study Techniques for Upper Secondary School That Research Actually Supports

We read the research on how learning actually works and tried the techniques ourselves. Here are the ones that stayed, and the myths that did not hold up.

1. Spaced repetition: review smarter, not harder

Spaced repetition has the strongest research support of all review methods. Instead of studying everything at once, you return to the material at increasing intervals.

How it works: Day 1, day 3, day 7, day 14, day 30. Each review strengthens the memory trace.

2. Active recall: test yourself

Research shows that active recall produces significantly better results than rereading the same text several times. Use flashcards and quizzes to test yourself.

3. The Pomodoro technique

25–40 minutes of focused work followed by a 5–10 minute break. This keeps your brain fresh and productive during longer study sessions.

4. The Feynman technique

If you can explain something to a 10-year-old, you really know it. Try explaining the concept in simple words. The points where you get stuck are the ones you need to study more.

5. Interleaving: mix your subjects

Instead of studying math for 3 hours, mix math, Swedish, and chemistry in shorter sessions. This forces your brain to actively distinguish between concepts, strengthening learning.

6. Elaborative interrogation: ask “why”

Asking “why” questions about the material helps you connect new information to what you already know. It creates stronger memory structures than simply memorizing a statement.

7. Dual coding: combine text and images

Combining visual and verbal information, such as text with diagrams, timelines, or mind maps, improves both learning and retention.

Common myths that research disproves

• Myth: “I learn best by rereading over and over.”
  Reality: Research shows that this is one of the least effective methods.
• Myth: “I have a specific learning style, such as visual or auditory.”
  Reality: Studies have not found evidence that adapting teaching to learning styles improves results.

Want to go deeper?

Two of these techniques have their own guides: active recall and spaced repetition.