A comprehensive development process for display design, focusing on computer-generated cathode ray tube (CRT) displays is presented. A framework is created for breaking the display into its component parts, used to guide the design process. The objective is to design or select the most cost effective graphics solution (hardware and software) to…

When learning-disabled high school students (N=22) were taught about astronomy by either presenting key concepts with a visual spatial display or by presenting concepts with texts, tests measuring short-term mastery of content favored students taught with the visual display. No differences were found between the groups on transfer or maintenance.…