User-Centered Design and Evaluation of a Mobile Shopping Robot

被引:46
作者
Doering, Nicola [1 ]
Poeschl, Sandra [1 ]
Gross, Horst-Michael [2 ]
Bley, Andreas [3 ]
Martin, Christian [3 ]
Boehme, Hans-Joachim [4 ]
机构
[1] Tech Univ Ilmenau, Inst Media & Commun Sci, Media Psychol & Media Design Grp, D-98684 Ilmenau, Germany
[2] Tech Univ Ilmenau, Dept Comp Sci & Automat, Neuroinformat & Cognit Robot Lab, D-98684 Ilmenau, Germany
[3] MetraLabs Neue Technol & Syst GmbH, D-98693 Ilmenau, Germany
[4] Univ Appl Sci Dresden, Fac Informat Technol Math, D-01008 Dresden, Germany
关键词
Service robots; Shopping assistants; User-centered design; Usability; Acceptability; IT-YOURSELF-STORES; ACCEPTANCE; USABILITY; BEHAVIOR;
D O I
10.1007/s12369-014-0257-8
中图分类号
TP24 [机器人技术];
学科分类号
080202 ; 1405 ;
摘要
This paper describes the user-centered design and evaluation process of a humanoid mobile shopping robot named TOOMAS that assists customers of home improvement stores. Three separate empirical field studies addressing the robot's usability (according to ISO 9241-11) and acceptability (intention to use) are presented involving test persons altogether. The first formative evaluation study () addresses the usability of the robot's article search system. It is demonstrated how several usability problems could be identified and eliminated, leading to significantly more successful article searches. The second formative evaluation study () addresses the robot's adaptation to its specific task and role in the home improvement store. Embodiment, mobility, voice output, and social behavior were analyzed and adapted to user requirements. The third summative evaluation study () experimentally tested robot-assisted shopping against conventional shopping regarding core usability criteria (effectiveness, efficiency, and satisfaction). It reveals that robot-assisted shopping was as effective and satisfactory as conventional shopping. Still, at the current state of technology shopping with robot assistance was slightly slower and therefore less efficient. For all three studies the effects of users' gender, age, educational background and computer skills levels on robot usability and acceptability are presented and discussed.
引用
收藏
页码:203 / 225
页数:23
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