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The result is a number that corresponds with a U.S. The formula for the Flesch reading-ease score (FRES) test is: Ģ06.835 − 1.015 ( total words total sentences ) − 84.6 ( total syllables total words ) In the Flesch reading-ease test, higher scores indicate material that is easier to read lower numbers mark passages that are more difficult to read. This is now a common requirement in many other states and for other legal documents such as insurance policies. state to require that automobile insurance policies be written at no higher than a ninth-grade level (14–15 years of age) of reading difficulty, as measured by the F–K formula. The F–K formula was first used by the Army for assessing the difficulty of technical manuals in 1978 and soon after became a United States Military Standard. Navy research directed by Kincaid delved into high-tech education (for example, the electronic authoring and delivery of technical information), usefulness of the Flesch–Kincaid readability formula, computer aids for editing tests, illustrated formats to teach procedures, and the Computer Readability Editing System (CRES). "The Flesch–Kincaid" (F–K) reading grade level was developed under contract to the U.S.
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