Cited by 68Innovative Human-Technology InteractionUsability and User Interface DesignAI in Service Interactions

Understanding and Measuring User Experience in Conversational Interfaces

Kocaballi, Ahmet Baki, Laranjo, Liliana, Coiera, Enrico·2019·Interacting with Computers

Abstract

Although various methods have been developed to evaluate conversational interfaces, there has been a lack of methods specifically focusing on evaluating user experience. This paper reviews the understandings of user experience (UX) in conversational interfaces literature and examines the six questionnaires commonly used for evaluating conversational systems in order to assess the potential suitability of these questionnaires to measure different UX dimensions in that context. The method to examine the questionnaires involved developing an assessment framework for main UX dimensions with relevant attributes and coding the items in the questionnaires according to the framework. The results show that (i) the understandings of UX notably differed in literature; (ii) four questionnaires included assessment items, in varying extents, to measure hedonic, aesthetic and pragmatic dimensions of UX; (iii) while the dimension of affect was covered by two questionnaires, playfulness, motivation, and frustration dimensions were covered by one questionnaire only. The largest coverage of UX dimensions has been provided by the Subjective Assessment of Speech System Interfaces (SASSI). We recommend using multiple questionnaires to obtain a more complete measurement of user experience or improve the assessment of a particular UX dimension.RESEARCH HIGHLIGHTS: Varying understandings of UX in conversational interfaces literature. A UX assessment framework with UX dimensions and their relevant attributes. Descriptions of the six main questionnaires for evaluating conversational interfaces. A comparison of the six questionnaires based on their coverage of UX dimensions.

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Crossref · 10.1093/iwc/iwz015

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44 of 44 references verified0 citation errors · 0 not checkable

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  • Evaluation in chatbot research is conducted through instruments for users' self reports of user experience, user observation and interviews, analyses of chatbot interaction, and physiological measurements.

    “Evaluation in chatbot research is conducted by instruments for users' self reports of user experience [63], through user observation and interviews [75] and analyses of chatbot interaction [66], and also by physiological measurements [22].”
  • There is a lack of common definitions, metrics, and validated scales for key aspects of chatbot evaluations.

    “While there is a large number of studies on chatbot user experience available, there is a lack of common definitions, metrics and validated scales for key aspects of chatbot evaluations [63].”

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Authors
Kocaballi, A. B., Laranjo, L., & Coiera, E.
Affiliations
Macquarie University (AU)
Corresponding author
Kocaballi, Ahmet Baki
Venue
Interacting with Computers
Published
2019-03-01
Volume
31
Issue
2
Pages
192-207
ISSN
  • 0953-5438 (ISSN-L)
  • 1873-7951
OpenAlex
W2945452260
Cited by
68
References
44
Citations by year
2026: 5 · 2025: 10 · 2024: 14 · 2023: 9 · 2022: 13 · 2021: 10 · 2020: 7
FWCI
7.09
Type
journal article
Language
en
Open access
closed
Locations
  • Interacting with Computers (publishedVersion)
  • OPUS - Open Publications of UTS Scholars (University of Technology Sydney) (submittedVersion)
Topics
  • Physical Sciences › Computer Science › Human-Computer Interaction › Innovative Human-Technology Interaction
  • Physical Sciences › Computer Science › Human-Computer Interaction › Usability and User Interface Design
  • Physical Sciences › Computer Science › Artificial Intelligence › AI in Service Interactions
Keywords
user experience, conversational interfaces, SASSI, affect, playfulness, motivation, frustration, evaluation framework

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