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List 32: Complexity scheme identifier

Value Description Notes Issue number Modified in Issue
01 Lexile code For example AD or HL. DEPRECATED in ONIX 3 – use code 06 instead 0 24
02 Lexile number For example 880L. DEPRECATED in ONIX 3 – use code 06 instead 0 24
03 Fry Readability score Fry readability metric based on number of sentences and syllables per 100 words. Expressed as an integer from 1 to 15 in <ComplexityCode> 14
04 IoE Book Band UK Institute of Education Book Bands for Guided Reading scheme (see http://www.ioe.ac.uk/research/4664.html). <ComplexityCode> is a color, eg ‘Pink A’ or ‘Copper’ 23
05 Fountas & Pinnell Text Level Gradient <ComplexityCode> is a code from ‘A’ to Z+’. See http://www.fountasandpinnellleveledbooks.com/aboutLeveledTexts.aspx 23 30
06 Lexile measure The Lexile measure in <ComplexityCode> combines the Lexile number (for example 620L or 880L) and optionally the Lexile code (for example AD or HL). Examples might be ‘880L’, ‘AD0L’ or ‘HL600L’. See https://lexile.com/about-lexile/lexile-overview/ 24
07 ATOS for Books Advantage-TASA Open Standard book readability score, used for example within the Renaissance Learning Accelerated Reader scheme. <ComplexityCode> is a real number between 0 and 17. See http://www.renaissance.com/products/accelerated-reader/atos-analyzer 25
08 Flesch-Kincaid Grade Level Flesch-Kincaid Grade Level Formula, a standard readability measure based on the weighted number of syllables per word and words per sentence. <ComplexityCode> is a real number typically between about -1 and 20 26
09 Guided Reading Level Use this code for books levelled by the publisher or a third party using the Fountas and Pinnell Guided Reading methodology 30
10 Reading Recovery Level Used for books aimed at K-2 literacy intervention. <ComplexityCode> is an integer between 1 and 20 30
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