Use progressive alignment: start with similar cases and move to more distant ones

Learn relational structure by comparing easy cases before applying the same structure to harder ones.

Why it works

Gentner’s progressive alignment principle shows that people learn abstract relational structure best when they first compare highly similar cases — where the structural mapping is easy to see — and then extend that structure to more distant cases. This works because the initial close comparison activates the relational structure explicitly; once it is explicit, it can be re-applied to distant cases where surface features no longer provide the scaffolding. Starting with distant analogies forces learners to deal with surface noise before they have isolated the structure.

How to do it

1. When trying to understand a new concept, start by comparing two similar cases where the structure is clear.
2. Name the structural relationship explicitly before moving to a more distant case.
3. Apply the named structure to the distant case, and check whether it still holds.
4. Each level of distance should test and extend the structural understanding, not skip it.

Evidence

Progressive alignment has experimental support in Gentner’s research: children and adults learn relational concepts faster when comparisons proceed from similar to distant rather than the reverse. (observational)

Most direct evidence is from learning studies in controlled settings; transfer to professional problem-solving is theoretically grounded but less directly studied.

Sources

• Kotovsky & Gentner (1996), "Comparison and categorization in the development of relational similarity," Child Development

Common mistake

Starting with the exotic, distant analogy that feels clever and impressive rather than building the structural understanding from simpler cases first — the result is a metaphor that illuminates the speaker more than the problem.