Advancing Usability Evaluation through Human Reliability Analysis

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This paper introduces a novel augmentation to the current heuristic usability evaluation methodology. The SPAR-H human reliability analysis method was developed for categorizing human performance in nuclear power plants. Despite the specialized use of SPAR-H for safety critical scenarios, the method also holds promise for use in commercial off-the-shelf software usability evaluations. The SPAR-H method shares task analysis underpinnings with human-computer interaction, and it can be easily adapted to incorporate usability heuristics as performance shaping factors. By assigning probabilistic modifiers to heuristics, it is possible to arrive at the usability error probability (UEP). This UEP is not a literal probability ... continued below

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Boring, Ronald L. & Gertman, David I. July 1, 2005.

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This paper introduces a novel augmentation to the current heuristic usability evaluation methodology. The SPAR-H human reliability analysis method was developed for categorizing human performance in nuclear power plants. Despite the specialized use of SPAR-H for safety critical scenarios, the method also holds promise for use in commercial off-the-shelf software usability evaluations. The SPAR-H method shares task analysis underpinnings with human-computer interaction, and it can be easily adapted to incorporate usability heuristics as performance shaping factors. By assigning probabilistic modifiers to heuristics, it is possible to arrive at the usability error probability (UEP). This UEP is not a literal probability of error but nonetheless provides a quantitative basis to heuristic evaluation. When combined with a consequence matrix for usability errors, this method affords ready prioritization of usability issues.

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  • Human Computer Interaction International 2005,Las Vegas, NV,07/25/2005,07/28/2005

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  • Report No.: INL/CON-05-00108
  • Grant Number: DE-AC07-99ID-13727
  • Office of Scientific & Technical Information Report Number: 911609
  • Archival Resource Key: ark:/67531/metadc887342

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  • July 1, 2005

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  • Sept. 22, 2016, 2:13 a.m.

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  • Nov. 22, 2016, 4:05 p.m.

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Boring, Ronald L. & Gertman, David I. Advancing Usability Evaluation through Human Reliability Analysis, article, July 1, 2005; [Idaho Falls, Idaho]. (digital.library.unt.edu/ark:/67531/metadc887342/: accessed December 15, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.