1965
DOI: 10.1111/j.1949-8594.1965.tb13383.x
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Science Textbook Selection and the Dale‐Chall Formula

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Cited by 11 publications
(3 citation statements)
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“…Adding words appropriate to a special context has been tried, particularly with science terms (Brown, 1965), and the effect of the change in predictive power actually tested on readers (Holmquist, 1968). This kind of revision can have only a very limited effect upon predictive power, as Holmquist found, because the Dale-Chall formula(s) only provide difficulty-level scores based on the proportion of familiar words in text.…”
Section: Comments On the Commentariesmentioning
confidence: 99%
“…Adding words appropriate to a special context has been tried, particularly with science terms (Brown, 1965), and the effect of the change in predictive power actually tested on readers (Holmquist, 1968). This kind of revision can have only a very limited effect upon predictive power, as Holmquist found, because the Dale-Chall formula(s) only provide difficulty-level scores based on the proportion of familiar words in text.…”
Section: Comments On the Commentariesmentioning
confidence: 99%
“…In the above studies, the authors concluded that science textbooks for the 1940s and 1950s were written well above the reading level of the average student at the grade level for which the book was intended. In 1974, Kennedy, using the Fry Readability Graph, examined several contemporary science textbooks for grades [6][7][8][9]. He found that while the average readability level more closely approached the range of the intended user, levels were still in many cases approximately one grade high [5].…”
Section: Introductionmentioning
confidence: 99%
“…However, these conclusions have never been unanimously accepted by all those interested in the readability of science textbooks. Brown, among others, felt that science textbooks were not too difficult for students to read, but that reading level formulas were inappropriate for evaluating the readability of science textbooks [6]. Dorar and Shead have expanded on this viewpoint by suggesting eight criteria for the evaluation of science textbooks [7].…”
Section: Introductionmentioning
confidence: 99%