Systems usability - promoting core-task oriented work practices

Paula Savioja, Leena Norros

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleScientificpeer-review

Abstract

A new concept of systems usability is introduced. Systems usability provides a holistic activity-oriented perspective to evaluation of the appropriateness of ICT–based smart tools. The concept has been developed in empirical studies of work in complex industrial environments. The nuclear power plant domain is used here to exemplify the systems usability concept and the method developed for evaluating it. In the chapter, we first identify four practical challenges that the current approaches in usability studies face: task analysis, data collection methods, usability measures, and inferences concerning the interface. As a solution to tackle these challenges we, then, introduce our concept of systems usability. To reach the demands of systems usability, work tools must fulfill all three functions of tools: the instrumental, psychological, and communicative. Because systems usability is visible in practices of using the tools we, finally, demonstrate how the developed method labeled contextual assessment of systems usability (CASU) is used for evaluating systems usability.
Original languageEnglish
Title of host publicationMaturing Usability
Subtitle of host publicationQuality in Software, Interaction and Value
EditorsEffie Lai-Chong Law, Ebba Hvannberg, Gilbert Cockton
Place of PublicationLondon
PublisherSpringer
Chapter6
Pages123-143
ISBN (Electronic)978-1-84628-941-5
ISBN (Print)978-1-84628-940-8, 978-1-84996-681-8
DOIs
Publication statusPublished - 2007
MoE publication typeA3 Part of a book or another research book

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Nuclear power plants

Keywords

  • systems usability
  • nuclear power plants
  • usability
  • systems analysis

Cite this

Savioja, P., & Norros, L. (2007). Systems usability - promoting core-task oriented work practices. In E. L-C. Law, E. Hvannberg, & G. Cockton (Eds.), Maturing Usability: Quality in Software, Interaction and Value (pp. 123-143). London: Springer. https://doi.org/10.1007/978-1-84628-941-5_6
Savioja, Paula ; Norros, Leena. / Systems usability - promoting core-task oriented work practices. Maturing Usability: Quality in Software, Interaction and Value. editor / Effie Lai-Chong Law ; Ebba Hvannberg ; Gilbert Cockton. London : Springer, 2007. pp. 123-143
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Savioja, P & Norros, L 2007, Systems usability - promoting core-task oriented work practices. in EL-C Law, E Hvannberg & G Cockton (eds), Maturing Usability: Quality in Software, Interaction and Value. Springer, London, pp. 123-143. https://doi.org/10.1007/978-1-84628-941-5_6

Systems usability - promoting core-task oriented work practices. / Savioja, Paula; Norros, Leena.

Maturing Usability: Quality in Software, Interaction and Value. ed. / Effie Lai-Chong Law; Ebba Hvannberg; Gilbert Cockton. London : Springer, 2007. p. 123-143.

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleScientificpeer-review

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AB - A new concept of systems usability is introduced. Systems usability provides a holistic activity-oriented perspective to evaluation of the appropriateness of ICT–based smart tools. The concept has been developed in empirical studies of work in complex industrial environments. The nuclear power plant domain is used here to exemplify the systems usability concept and the method developed for evaluating it. In the chapter, we first identify four practical challenges that the current approaches in usability studies face: task analysis, data collection methods, usability measures, and inferences concerning the interface. As a solution to tackle these challenges we, then, introduce our concept of systems usability. To reach the demands of systems usability, work tools must fulfill all three functions of tools: the instrumental, psychological, and communicative. Because systems usability is visible in practices of using the tools we, finally, demonstrate how the developed method labeled contextual assessment of systems usability (CASU) is used for evaluating systems usability.

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Savioja P, Norros L. Systems usability - promoting core-task oriented work practices. In Law EL-C, Hvannberg E, Cockton G, editors, Maturing Usability: Quality in Software, Interaction and Value. London: Springer. 2007. p. 123-143 https://doi.org/10.1007/978-1-84628-941-5_6