A corpus of current editions of statistics textbooks was assessed to compare aspects and levels of readability for the topics of "measures of center," "line of fit," "regression analysis," and "regression inference." Analysis with lexical software of these text selections revealed that the large corpus can…

New editions of selected college textbooks have been found to be more difficult than former ones, and experiments show that students learn less effectively from the new editions. Guidelines are offered for choosing textbooks, such as writing style, conceptual density, and the utility of readability analyses. (Editor/LBH)

The accuracy of 210 college undergraduates' judgments of the relative learnability of original (Army training manuals) and rewritten (war or cultural histories) versions of 20 pairs of texts of known difficulty was studied. Students were 95 percent accurate in their judgments of learnability. Implications for college textbook selection are…

Attempts to facilitate the text selection process for introductory psychology teachers by enabling them to match the level of the text with their students' ability level. Examines 37 introductory psychology textbooks published from 1995-1997 to determine text levels (high, middle, or lower level). Discusses the findings in detail. (CMK)

Reported is a study designed to determine whether reading grade level (RGL) assessment techniques used for elementary and secondary education textbooks would discriminate among plant and soil science textbooks. The study was to select the RGL indices suited to quantify the readability of these sources, and to identify the factors affecting…