Readability formulas may detract from textbook quality. They overlook text and reader characteristics that affect comprehension. Moreover, average "readability levels" ignore wide variations within texts and between scales. The shortened sentences and simplified vocabulary used to conform texts to formulas sacrifice precision and connectedness,…

This article discusses how text variables interact with reader, strategy, and task variables to affect readability, including text coherence, text organization, signaling, and text structure. It considers how classic readability formulas, in concert with consideration of text, text reader, and strategy variables, can be used to match texts to…

A study investigating the influence of certain features of cohesion and coherence on Israeli college students' difficulty in reading English expository texts examined the reader's ability to understand sequences of propositions and familiarity with markers of cohesion. Three methods were used to investigate the problem: application of a…