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Published in:
2017 | OriginalPaper | Chapter
Complexity and Reliability as Basic Quantitative Characteristics of Computer Based Tasks
Authors : Inna Bedny, Gregory Bedny, Waldemar Karwowski
Published in: Advances in Neuroergonomics and Cognitive Engineering
Publisher: Springer International Publishing
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Abstract
This work is dedicated to the quantitative methods of task analysis that allow to evaluate task complexity and reliability of task performance. Specific attention is paid to reliability and complexity assessment of computer based task and the correlation between these vital characteristics of human performance. The qualitative and quantitative description of computer based task performance is utilized as an example. In our work we utilize methods of task analysis that were developed in the framework of systemic-structural activity theory (SSAT). Description of activity structure during task performance and its relationship to the structure of computer interface is analyzed. Reliability and task complexity assessment calls for the creation of various models of activity during interaction of user with computer. Such approach is different from cognitive approach which considers cognition only as a process and ignores the concept of cognitive structure.