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Objective Learnability Estimation of Software Systems

  • Alexey Chistyakov
  • María T. Soto-Sanfiel
  • Enric Martí
  • Takeo Igarashi
  • Jordi Carrabina
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10069)

Abstract

Learnability is a fundamental usability factor. It is included in several well known and widely used software usability evaluation models such as: IBM’s Computer Usability Satisfaction Questionnaire (CUSQ), System Usability Measurement Inventory (SUMI), System Usability Scale (SUS), and others. However, all of them assess learnability only subjectively. Taking into account the fact of presence of differences in perceived duration in interaction between human and computer, development of a new approach targeting usability, as well as learnability, in objective measures could be of great interest. This paper describes our endeavour in pursuing this task. We present our approach to the problem, introduce an instrument for calculating objective learnability out of times of completion, and reveal results of a user study among 101 participants conducted to test adequacy of the method.

Keywords

Human-Computer Interaction Learnability Usability Usability Measurement Usability Engineering 

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Copyright information

© Springer International Publishing AG 2016

Authors and Affiliations

  • Alexey Chistyakov
    • 1
  • María T. Soto-Sanfiel
    • 2
  • Enric Martí
    • 1
  • Takeo Igarashi
    • 3
  • Jordi Carrabina
    • 4
  1. 1.Computer Science DepartmentUniversitat Autónoma de Barcelona (UAB)BellaterraSpain
  2. 2.Audiovisual Communication and Advertising DepartmentUABBellaterraSpain
  3. 3.Department of Computer ScienceThe University of TokyoBunkyōJapan
  4. 4.UAB, CEPHIS, Escola d’EnginyeriaBellaterraSpain

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