Interleaving
Mix topics in one session — don’t block them.
What the Research Says
Most students revise by blocking — an hour on one religion, an hour on another, an hour on a theme. It feels productive and the topic seems clear by the end. Interleaving is the opposite: you jump between topics inside a single session. It feels worse at the time, and you’ll make more mistakes. But when the real exam arrives, you will be dramatically better at knowing which argument to apply — and that is usually the hardest part of any RS question.
Evidence Base
| Study | Finding | Impact |
|---|---|---|
| Rohrer & Taylor (2007) | Students who interleaved topics scored 43% higher on delayed tests than blocked-practice students. | Same time spent — huge difference in exam performance. |
| Birnbaum et al. (2013) | Interleaved learners felt LESS confident during practice but performed BETTER in the test. | If revision feels too easy, interleave. |
| Bjork & Bjork (2011) | Desirable difficulties — including interleaving — create durable long-term learning at the cost of short-term performance. | Short-term struggle is the price of long-term gain. |
| Taylor & Rohrer (2010) | Benefit was largest when topics looked superficially similar — students learnt to DISTINGUISH them. | Most useful where students confuse similar arguments from different traditions. |
Step-by-Step Method
- 1Pick 3–5 related topics — topics that share a theme or question type. Similar enough that students confuse them.
- 2Make a mixed problem set — 10–15 questions drawn randomly from all the topics. Don’t tell yourself which topic each question belongs to.
- 3Attempt each question cold — first step is identifying what’s being asked. That identification is the skill you’re training.
- 4Mark after every question — note which topic each one was. Pay attention to mis-identifications — those are the highest-value gaps.
- 5Rebuild a new mixed set tomorrow — same topics, different questions. Different order. Over time, misclassifications drop.
- 6Expect to feel worse than blocked practice — that’s the right feeling. Your exam self will thank you.
When revising the theme of life and death, mix questions across Christianity, Islam, and Buddhism in a single session rather than spending 20 minutes on each in turn. One question asks for a Christian view on euthanasia (referencing the sanctity of life and Catechism 2277), the next asks for a Muslim view on the same topic (referencing the Quranic principle that Allah alone gives and takes life, Surah 6:151), then a question on the Buddhist concept of rebirth. Jumping between traditions forces you to identify which tradition each argument belongs to — exactly what the exam demands.
In the final revision period before your RS exam, build a mixed set of 12-mark evaluation questions drawn from all your themes — war and peace, crime and punishment, human rights, relationships. Attempt one, mark it, note which theme it was, then immediately attempt another from a different theme without re-reading. Students who only block-revise by theme often struggle when the paper mixes argument types; students who interleave themes in practice sessions recognise the question type within the first sentence and know exactly which evidence to deploy.
Common Pitfalls
- Random, not related. Interleaving RS with Maths is just subject-switching. Interleave WITHIN RS — related themes and religions that students confuse.
- Giving up when it feels hard. The discomfort is the signal that it’s working. Don’t revert to blocked practice because interleaving feels slow.
- Labelling the topic at the top of each question. Defeats the point — the identification IS the training.
- Using it too early in learning. You need baseline familiarity with each topic first. Interleaving is for consolidation, not first exposure.
When to Use This
Once you’ve covered a handful of related topics — usually partway through a term — start weaving them into mixed practice sessions. Very useful in the final 8–10 weeks before exams when you’re moving from learning to applying. Full past papers are the ultimate interleaving exercise, because they force you to identify question types cold.