This paper reports the results from a sensor-free detector of mind wandering during an online reading task. Features consisted of reading behaviors (e.g., reading time) and textual features (e.g., level of difficulty) extracted from self-paced reading log files. Supervised machine learning was applied to two datasets in order to predict if…

Reading problems related to use of primary source materials in the upper elementary grades are investigated. A major focus was the appropriateness of original versus rewritten versions of primary source materials with respect to readability. The sample consisted of 209 fifth and sixth grade students and seven elementary school classroom teachers…

A critical process in developing lessons for computer-based instruction (CBI) is to determine the manner in which information will be displayed on the screen, taking care not to ignore the computer's special display capabilities. The underlying assumption of this study was that reducing the density of text presentation would be effective for…