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Title:Why readability formulas fail
Author(s):Bruce, Bertram C.; Rubin, Andee; Starr, Kathleen S.
Subject(s):Readability formula
Readability
Linguistics
Computational Linguistics
Writing
Abstract:Being able to measure the readability of a text with a simple formula is an attractive prospect, and many groups have been using readability formulas in a variety of situations where estimates of text complexity are thought to be necessary. The most obvious and explicit use of readability formulas is by educational publishers designing basal and remedial reading texts; some states, in fact, will consider using a basal series only if it fits certain readability formula criteria. Increasingly, public documents such as insurance policies, tax forms, contracts, and jury instructions must meet criteria stated in terms of readability formulas. Unfortunately, readability formulas just don't fulfill their promise. This failure can be attributed to three weaknesses in the formulas. From a theoretical point of view, they ignore or violate much of current knowledge about reading and the reading process. Second, their statistical bases are shaky, being at once poorly supported mathematically and difficult to generalize. Finally, as practical tools either for matching children and texts or for providing guidelines for writers they are totally inappropriate. Criticisms such as these have been leveled at readability formulas from many quarters (Gilliland, 1972; Redish, 1979; Kintsch & Vipond, 1977), but the formulas' uses have expanded in spite of the growing number of papers discussing their weaknesses. We attempt here to categorize and summarize some of the problems with readability formulas and their use.
Issue Date:1981
Publisher:IEEE
Citation Info:Bruce, Bertram C.; Rubin, Ann D.; & Starr, Kathleen S. (1981). Why readability formulas fail. IEEE Transactions on Professional Communication, PC-24, 50-52. Also as Reading Education Report No. 28 (1981, August). Urbana, IL: University of Illinois, Center for the Study of Reading, and BBN Report No. 4715 (1981). Cambridge, MA: Bolt Beranek and Newman.
Series/Report:IEEE Transactions on Professional Communication
Genre:Article
Type:Text
Language:English
URI:http://hdl.handle.net/2142/15490
Publication Status:published or submitted for publication
Peer Reviewed:is peer reviewed
Sponsor:National Institute of Education under Contract No. MS-NIE- C-400-76-0116
Date Available in IDEALS:2010-05-14


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