With 27 million users, Excel (Microsoft Corporation, Seattle, WA) is the most common business data analysis software. However, audits show that almost all complex spreadsheets have errors. The author examined textbooks to understand why responsible data analysis is taught. A purposeful sample of 10 textbooks was coded, and then compared against…

This article describes TextEvaluator, a comprehensive text-analysis system designed to help teachers, textbook publishers, test developers, and literacy researchers select reading materials that are consistent with the text complexity goals outlined in the Common Core State Standards. Three particular aspects of the TextEvaluator measurement…

Example programs play an important role in the teaching and learning of programming. Students as well as teachers rank examples as the most important resources for learning to program. Example programs work as role models and must therefore always be consistent with the principles and rules we are teaching. However, it is difficult to find or…

Visual aesthetics in instructional design was defined for the purposes of this dissertation by the design actions of contrast, alignment, repetition, and proximity (CARP), insofar as they contribute to learning experience. Occurrences of visual aesthetics were identified and analyzed in three frequently required, graduate-level textbooks in…

In this study, I present an analysis of high school geometry curricula regarding mathematical proof opportunities. I examined eight U.S. high school level geometry textbooks, which were categorized into three main groups: technology-intensive, standards-based, and traditional curricula. I conceptualized "ideal" proving activity combining…

This project developed a checklist for examining college texts for adoption in situations in which several instructors use the same text to teach a large introductory, multi-sectioned college course. Fifteen students from Brenau College (Georgia) and 33 faculty members from several Georgia colleges were interviewed. Four computer software dealers…