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Jung KH, Labriola JT, Krebs J, et al. Usability enhancement based on usability heuristics: An examination of the underlying mechanism utilizing the psychological-refractory-period paradigm. Appl Ergon. 2021;100:103649doi: 10.1016/j.apergo.2021.103649.
Jung, K. H., Labriola, J. T., Krebs, J., & Sawyer, T. (2021). Usability enhancement based on usability heuristics: An examination of the underlying mechanism utilizing the psychological-refractory-period paradigm. Applied ergonomics, 100103649. https://doi.org/10.1016/j.apergo.2021.103649
Jung, Kyung Hun, et al. "Usability enhancement based on usability heuristics: An examination of the underlying mechanism utilizing the psychological-refractory-period paradigm." Applied ergonomics vol. 100 (2021): 103649. doi: https://doi.org/10.1016/j.apergo.2021.103649
Jung KH, Labriola JT, Krebs J, Sawyer T. Usability enhancement based on usability heuristics: An examination of the underlying mechanism utilizing the psychological-refractory-period paradigm. Appl Ergon. 2021 Nov 19;100:103649. doi: 10.1016/j.apergo.2021.103649. Epub 2021 Nov 19. PMID: 34808535.
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Appl Ergon. 2021 Nov 19;100:103649. doi: 10.1016/j.apergo.2021.103649. Epub 2021 Nov 19.

Usability enhancement based on usability heuristics: An examination of the underlying mechanism utilizing the psychological-refractory-period paradigm.

Applied ergonomics

Kyung Hun Jung, Jack T Labriola, Jack Krebs, Tiara Sawyer

Affiliations

  1. Department of Psychological Science, Kennesaw State University, USA.
  2. Department of Technical Communication and Interactive Design, Kennesaw State University, USA. Electronic address: [email protected].

PMID: 34808535 DOI: 10.1016/j.apergo.2021.103649

Abstract

User Interface (UI) design practices often abide by popular usability heuristics such as Nielsen's (1994) "10 usability heuristics for user interface design" or Gerhardt-Powals' (1996) cognitive engineering principles. To examine the underlying mechanism of user performance enhancement by following some of these usability heuristics, we compared user performance between two device conditions: one representing design practices following two selected sets of usability heuristics (experimental condition) and the other without following them (control condition). As a research framework, we adopted the psychological-refractory-period (PRP) paradigm along with the locus-of-slack logic, a well-established dual-task paradigm for examining the nature of cognitive benefits caused by experimental manipulations. Results showed that the experimental-device condition that followed the usability heuristics yielded faster performance than the control condition, especially when the stimulus-onset-asynchrony between the two tasks was long than when it was short. According to the locus-of-slack logic, these results suggest that the nature of cognitive benefits caused by following the usability heuristics is more likely to be due to shortening of the response-activation stage (rather than the response-selection stage). These findings suggest that following the two usability heuristics tends to facilitate a specific stage of the information processes more than other stages.

Published by Elsevier Ltd.

Keywords: Interface design; Locus–of–slack logic; Psychological–refractory–period paradigm; Usability heuristics; User–interface (UI) design

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