An empirical study examined the effects of two influencing factors in usability tests on user performance and usability ratings. Product aesthetics (high vs. low) as the main independent factor and prior usage event (positive vs. negative) as a subsidiary independent factor were varied in a between-participants design. 60 participants took part in…

This study focused on the potential for building 25 high-school students' word knowledge by using a mobile learning device and gaming app. Using a game as an instructional tool is a portable way for students to engage with content. The amount of vocabulary mastered after using the app on the mobile device was examined in relation to a pre-test and…

Describes study that examined text density levels as a design variable in print and computer-based instructional presentations. The six treatment groups are explained, including low density, high density, and learner controlled density; attitude surveys and achievement posttests are described; and implications of the findings for instructional…