Gunning fog index

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English[edit]

English Wikipedia has an article on:
Wikipedia

Etymology[edit]

Developed in 1952 by Robert Gunning.

Proper noun[edit]

the Gunning fog index

  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.