Use analogies to transfer structure from known to unknown

Map an unfamiliar concept onto a familiar one that shares the same relational structure.

Why it works

Analogies work by structural alignment: the brain maps relationships from a source domain it knows well onto a target domain it is learning. This is not surface similarity — it is relational similarity. Good analogies speed encoding and problem-solving by borrowing inferences from the known domain; bad ones mislead by importing irrelevant surface features.

How to do it

1. Identify what you find genuinely confusing about the new concept.
2. Ask: "What system I already understand has the same pattern of relationships?"
3. Explicitly map each component: "X in the new domain is like Y in the familiar domain because both…"
4. Find where the analogy breaks down — this teaches the concept’s unique features.

Evidence

Analogical reasoning is among the most studied forms of reasoning. Research by Gentner and colleagues shows that structural analogies, as opposed to superficial ones, reliably accelerate learning of novel concepts and problem-solving. (observational)

Analogies can mislead when learners treat them as identities rather than partial mappings. The breakdown point of the analogy is as instructive as the overlap.

Sources

• Gentner (1983), structure-mapping: a theoretical framework for analogy, Cognitive Science

Common mistake

Stopping at the analogy rather than finding where it breaks — which leaves learners with a distorted model that applies the source domain’s rules where they don’t hold.