Abstract
Human computer interaction (HCI) is an integral part of computer programming (CP). Viewing computer system design as an integrated process including both HCI and CP, it is possible to advance the quality of satisfaction of users with computer systems. Key issues in HCI design include specification of system performance expectations, analysis of performance prediction during design, and analysis of system performance after implementation. In current HCI literature, these issues have given rise to several methods of specification and prediction of system performance after implementation. In current HCI literature, these issues have given rise to several methods of specification and prediction of system performance. These methods fall under three categories: keystroke models, unit-task models and simulations. The advantages and disadvantages of these three categories of methods are discussed and contrasted.
Published Version
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