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About Readability >> READABILITY FORMULAS
New Dale-Chall - Flesch Reading Ease - Flesch Grade Level - Fry Graph -Gunning FOG -
Powers-Sumner- Kearl - SMOG - FORCAST - Spache - Readability Software

Results of The New Dale-Chall Readability Formula

Published in 1995, the “new” Dale-Chall readability formula uses an updated word list and table-lookup procedure to determine readability scores. Generally considered to be one of the most accurate readability formulas, the Dale-Chall formula is useful in scoring books, pamphlets, news articles... a wide variety of everyday reading materials.

Though capable of producing readability scores for the earliest primary grades, the Dale-Chall readability formula is most reliable when scoring materials for fourth grade level through college.

The Dale-Chall formula is a vocabulary-based readability formula, matching its own list of words to the words in the material being evaluated, to determine the appropriate grade level. In addition, the Dale-Chall formula factors in the total number of words and sentences, arriving at an average sentence length.

Both Readability Calculations and Readability PLUS by Micro Power & Light Co. supports the scoring of materials in either of two modes - quick and approximate, or methodical and precise. You may use either mode - whichever best fits your accuracy requirements and time constraints.

The New Dale-Chall Readability Formula

This screen shows results of applying the (new) Dale-Chall formula. The (scrollable) field at the left displays (1) the grade-level score, (2) sample identification and text, (3) word count, (4) sentence count, and (5) identifies words treated by the formula as “unfamiliar,” together with the number of times each occurs in the material.

The (scrollable) field at the right provides all the information required to interpret the various data entries.

Note: One screen containing all relevant data and information necessary to fully understand the formula’s results.

Both Readability Calculations and Readability PLUS programs automatically calculate THE NEW DALE-CHALL READABILITY FORMULA.


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