Reviews readability research and suggests priorities for future research in the area. (MKM)

This paper describes the Harris-Jacobson Readability Formula A, a revision of a readability formula based on word lists from "Basic Elementary Reading Vocabularies." Section one of the paper discusses procedures for using the formula, including the selection of samples, scoring the variables, and applying the formula. The next section…

Concludes that the Spache and Harris-Jacobson readability formulas are quite similar in variables used, in the way they were developed, and in statistical characteristics; notes differences in the Fry graph and raises questions about its suitability for measuring the readability of primary grade reading materials. (ET)

This paper summarizes the work to date on the revised Harris-Jacobson Readability Formulas. The contents include "The Criterion," which discusses the criterion used in the development of the formulas; "Variables Employed," which includes percent of uncommon words, average sentence length, percent of long words, mean number of letters per word, and…

Describes a computer formula which measures readability according to how well high school seniors comprehend reading passages. (RB)

There is a need for basic readability research and for an easily applied and accurate new readability formula. Two steps taken toward the development of such a formula are the revision of a vocabulary list for primary grades and the combination of reading exercises given at different grade levels into a single scale of ascending difficulty. Much…