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Computer knowledge representation of users of command language-based interfaces and graphical user interfaces
An exploratory study was conducted with users of a command-based system, MS-DOS, and the Graphical User Interfaces (GUI) of the Apple Macintosh. It was hypothesized that command-based interfaces and GUIs differ in the ease ...
Problem-solving and study of examples in training exercises
Studies motivated by cognitive load theory experiments (e.g., Ward & Sweller, 1990) suggest that problem solving can interfere with learning, and show that alternative exercises such as studying worked examples often lead ...