A typical first computer science course (CS1) introduces the student to coding conventions, variables, methods, control structures, conditionals, and the semantics of classes and objects. Advanced concepts of inheritance, polymorphism, abstract classes, interfaces, and their use in the design process, are covered in a second-level course (CS2).…

The most common tools individuals use to articulate complex and abstract concepts are writing and spoken language, long privileged as primary forms of communication. However, our, explanations of these concepts may be more aptly communicated through visual means, such as drawings. Interpreting and analyzing abstract graphic representations is…

The role of color used in graphics in facilitating recall of verbal material was studied in a follow-up to previous research on the use of a color code in graphics presentations. An analysis of variance for repeated measures was used to test the hypothesis that significant interactions and differences would occur. Independent variables manipulated…