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Vector and triangular representations of project estimation uncertainty: effect of gender on usability

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Abstract
The paper proposes a new visualisation in the form of vectors of not-fully-known quantitative features. The proposal is put in the context of project defining and planning and the importance of visualisation for decision making. The new approach is empirically compared with the already known visualisation utilizing membership functions of triangular fuzzy numbers. The designed and conducted experiment was aimed at evaluating the usability of the new approach according to ISO 9241-11. Overall 76 subjects performed 72 experimental conditions designed to assess the effectiveness of uncertainty conveyance. Efficiency and satisfaction were examined by participants subjective assessment of appropriate statements. The experiment results show that the proposed visualisation may constitute a significant alternative to the known, triangle-based visualisation. The paper emphasizes potential advantages for the proposed representation for project management and in other areas.

Suggested Citation

  • Dorota Kuchta & Jerzy Grobelny & Rafal Michalski & Jan Schneider, 2021. "Vector and triangular representations of project estimation uncertainty: effect of gender on usability," WORking papers in Management Science (WORMS) WORMS/21/11, Department of Operations Research and Business Intelligence, Wroclaw University of Science and Technology.
    • Handle: RePEc:ahh:wpaper:worms2111
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    File URL: https://worms.pwr.edu.pl/RePEc/ahh/wpaper/WORMS_21_11.pdf
    File Function: Final version, 2021
    Download Restriction: no
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    References listed on IDEAS

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    1. Corentin Burnay & Fatima Dargam & Pascale Zarate, 2019. "Special issue: Data visualization for decision-making: an important issue," Operational Research, Springer, vol. 19(4), pages 853-855, December.
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      Keywords

      fuzzy number visualisation; fuzzy number vector representation; visual processing; project uncertainty; usability;
      All these keywords.

      JEL classification:

      • C00 - Mathematical and Quantitative Methods - - General - - - General
      • D01 - Microeconomics - - General - - - Microeconomic Behavior: Underlying Principles
      • D03 - Microeconomics - - General - - - Behavioral Microeconomics: Underlying Principles
      • D20 - Microeconomics - - Production and Organizations - - - General
      • D29 - Microeconomics - - Production and Organizations - - - Other
      • D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty
      • D83 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Search; Learning; Information and Knowledge; Communication; Belief; Unawareness
      • D87 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Neuroeconomics
      • L00 - Industrial Organization - - General - - - General
      • L11 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Production, Pricing, and Market Structure; Size Distribution of Firms
      • L15 - Industrial Organization - - Market Structure, Firm Strategy, and Market Performance - - - Information and Product Quality
      • L86 - Industrial Organization - - Industry Studies: Services - - - Information and Internet Services; Computer Software
      • M15 - Business Administration and Business Economics; Marketing; Accounting; Personnel Economics - - Business Administration - - - IT Management
      • O22 - Economic Development, Innovation, Technological Change, and Growth - - Development Planning and Policy - - - Project Analysis

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