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Evaluation of a computerized aid for creating human behavioral representations of human-computer interaction



Evaluation of a computerized aid for creating human behavioral representations of human-computer interaction



Human Factors 46(2): 288-303



The research reported herein presents the results of an empirical evaluation that focused on the accuracy and reliability of cognitive models created using a computerized tool: the cognitive analysis tool for human-computer interaction (CAT-HCI). A sample of participants, expert in interacting with a newly developed tactical display for the U.S. Army's Bradley Fighting Vehicle, individually modeled their knowledge of 4 specific tasks employing the CAT-HCI tool. Measures of the accuracy and consistency of task models created by these task domain experts using the tool were compared with task models created by a double expert. The findings indicated a high degree of consistency and accuracy between the different "single experts" in the task domain in terms of the resultant models generated using the tool. Actual or potential applications of this research include assessing human-computer interaction complexity, determining the productivity of human-computer interfaces, and analyzing an interface design to determine whether methods can be automated.

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Accession: 048993353

Download citation: RISBibTeXText

PMID: 15359678

DOI: 10.1518/hfes.46.2.288.37343


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