Expert-novice knowledge of computer programming at different levels of abstraction

Article Abstract:

An experiment classifying computer programming knowledge into five different levels of abstraction confirms that the experts have better abstract knowledge than the novices. The experiment also tests whether mastering of knowledge at different abstraction levels changes with skill levels indicates and indicates that differences in levels depend on what abstract or concrete knowledge is involved. The experts have better concrete knowledge than the novices at the physical but not at the logical level, and better abstract knowledge at the conceptual and functional but not objective level.

Research, Testing, Abstraction, Expertise, Categorization (Psychology)

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Identification of metaphors for virtual environment training systems

Article Abstract:

Potential metaphors are developed for assisting wayfiinding and navigation in current virtual environment (VE) training systems. In a virtual environment training system, the identification of metaphors facilitates the trainees with a useful orienting framework, which enhances visual access and helps them to differentiate an environment.

Work environment, Navigation, Metaphor

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