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SMOG Reading Level
SMOG estimates the U.S. reading grade needed to understand English prose by counting words of three or more syllables and scaling their frequency to a 30-sentence sample. Each occurrence of a polysyllabic word counts. The calculator requires at least three sentences; passages shorter than 30 sentences receive a short-passage estimate note. Results include word and sentence counts and actions to lower or raise the reading level. Consider readers' background knowledge, subject familiarity, and text organization alongside the estimate.
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