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Lorge Index (used before Flesch and Dale-Chall) #132

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DonaldTsang opened this issue Aug 10, 2020 · 0 comments
Open

Lorge Index (used before Flesch and Dale-Chall) #132

DonaldTsang opened this issue Aug 10, 2020 · 0 comments
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enhancement priority: low

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@DonaldTsang
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DonaldTsang commented Aug 10, 2020 •
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Grade level = 0.06 XI + 9.55 Xz + 6.97 Xs + 2.69, where
XI =average sentence length in words
Xz = ratio of prepositional phrases to number of words
Xg = ratio of non-Dale list words to number of words

For the list of 769 words http://www.betterendings.org/homeschool/words/769words1.htm
For historical reference, not a priority.
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@DonaldTsang @alxwrd