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ERIC Number: ED028925
Record Type: RIE
Publication Date: 1968
Pages: 142
Abstractor: N/A
Reference Count: N/A
A Determination of Whether the Dale-Chall Readability Formula May be Revised to Evaluate More Validly the Readability of High School Science Materials.
Holmquist, John Bruce
Determined was whether the Dale-Chall formula may be revised by supplementing the Dale list of 3,000 words with scientific terms and recalculating the formula to provide for a more valid evaluation of the readability of high school science materials. Procedures were that (1) terms similar in difficulty to those included in Dale's list of 3,000 familiar words were sought in order that the formula could be modernized with a supplementary work list, (2) the Dale-Chall readability formula was recalculated using multiple regression techniques similar to those originally used by Dale and Chall, (3) statistical comparisons were made between the recalculated formulas and the earlier versions of the formula, and (4) the recalculated formulas were applied to high school science materials and the results compared to those obtained using the earlier versions of the formula. Concluded were that (1) the Dale-Chall formula may be revised to evaluate more validly the readability of high school science materials, (2) the formula coefficients derived in the recalculations are similar in their statistical validity to those calculated in the original, and (3) the changes in the vocabularies and reading ability of pupils raise questions as to the validity of the original Dale-Chall formula when used to evaluate the readability of today's materials. (DS)
University Microfilms, 300 North Zeeb Road, Ann Arbor, Michigan 48106 (Order No. 68-11892, Microfilm $3.00, Xerography $6.80)
Publication Type: N/A
Education Level: N/A
Audience: N/A
Language: N/A
Sponsor: N/A
Authoring Institution: Colorado State Univ., Ft. Collins.
Identifiers: Dale-Chall Readability Formula