Readers beat a 170k-word vocab quiz by always picking the longest answer (vocabowl-870366514258.us-west1.run.app)
The tool's tell: on multiple choice, the correct definition is usually the wordiest one. People reported 62k 'words known' by ignoring the words entirely and always choosing the longest blurb.
An app developer who'd built the same kind of quiz explained the bug at the source: AI tends to write an over-complete correct answer, making it longer than the distractors and quietly defeating the whole test.
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