Plain English Meaning
A matching question where the two columns don't have the same number of items, so guessing the last one becomes much harder.
Full Definition
A matching test format in which the list of items to be matched contains a different number of entries than the list of possible responses, so that some responses are unused or some items share responses. This design reduces the chance of a learner correctly matching the final pair through process of elimination.
Context Anchor
Seen when an aviation instructor writes matching questions for quizzes, stage checks, or ground-school review.
Why Pilots Care
Helps instructors create knowledge tests that measure real understanding instead of test-taking tricks.
Grounding Statement
An unequal column makes a matching question test understanding instead of letting the last answer reveal itself automatically.