Found that standard readability indexes by themselves are not useful in measuring readability and comprehensibility of income tax material. Also casts doubt on the use of only readability indexes to measure insurance, labor, and real estate contracts. (PD)

Doubts the ability of formulas to predict readability and questions their use as aids in writing readable prose. Points out that formulas also hamper the teaching of business writing because they emphasize written products instead of the writing process. (PD)