• Mar 22, 2026 Dale Chall List gher percentage of familiar words indicates an easier text suitable for lower-grade students, while a lower percentage suggests a more advanced level. Calculating the Dale Chall Readability Formula The Dale Chall readability formula is a widely used mathematical model th BY Lucille Reilly
• May 20, 2026 the dale chall 3 000 word list for readability formulas f a text based on the percentage of difficult words—those not on the list. The formula is as follows: > Raw Score = 0.1579 (Percentage of Difficult Words) + 0.0496 (Average Sentence Length) Additional adjustments: - If the percentage of difficult words exceeds 5%, an adjustment of 3.6365 BY Jovanny Larkin