Readability estimates are usually based on measures of word difficulty and measures of sentence difficulty. Word difficulty is measured in two ways: by the structural size and complexity of words or by reference to phonomena of language use, such as word-list frequency or the regularity of spelling patterns. Sentence difficulty is measured only in…

This study (partially supported by an ESEA Title III Grant) of the written composition of 190 above-average children in grades 3-6 was carried out to determine whether those children who were taught selected concepts of invention, arrangement, and style over a period of 8 months would demonstrate significant improvement in composition or sentence…