Gunning fog index

English dictionary entry

Meanings

name
  1. A readability metric for English writing, estimating how many years of formal education a person needs in order to understand the text on the first reading. It is based on the average sentence length and the proportion of words of three or more syllables.

Word forms

Gunning fog index the Gunning fog index

Etymology

Developed in 1952 by Robert Gunning.

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