Why Flesch-Kincaid Falls Short for CEFR Classification
Published: 2024-12-26
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Authors: CEFR.AI
Can native-speaker readability metrics really predict CEFR levels? Many online ESL/EFL text analysis tools have defaulted to using the Flesch-Kincaid readability index, simply because no specialized algorithms exist for language learners. Using 59 graded texts, we systematically test whether this widely-adopted solution actually works. While our investigation does reveal a...