Elaborative interrogation is a study technique where you generate an explanation for why a fact is true, rather than just reading or repeating it.
The idea
Instead of passively re-reading “the mitochondria produces energy for the cell,” you ask “why would that be true?” and try to answer it from what you already know. Generating your own explanation forces you to connect new information to existing knowledge, which creates more and stronger retrieval paths in memory than passive review does. It works especially well for factual material that has clear underlying reasons, and less well for material that is arbitrary or that you have too little background knowledge to explain.
When to use it
- Studying discrete facts, definitions, or claims (history dates, science facts, vocabulary).
- Reviewing notes where you catch yourself just re-reading without engaging.
- Any material where you already have enough background knowledge to attempt an explanation.
How to apply it
- Take a fact and ask yourself “why is this true?” or “why would this make sense?”
- Try to answer without looking it up first.
- Check your explanation against the source material and correct it.
- Repeat across the material you’re studying rather than passively re-reading it.
Watch out for
It’s less effective on material with little underlying logic (arbitrary facts, unfamiliar domains) since there’s nothing to explain from. It also takes more time per fact than re-reading, so it suits depth over breadth.
Related models
- Learning How To Learn — the broader set of techniques this belongs to.
- Forgetting Curve Spaced Repetition — a complementary technique for retention over time.
- Metacognition — the reflective awareness that elaborative interrogation exercises.
Sources
Studied extensively in cognitive and educational psychology; summarized in Dunlosky et al., “Improving Students’ Learning With Effective Learning Techniques” (Psychological Science in the Public Interest, 2013).