Pictorial System Usability Scale (P-SUS): Developing an Instrument for Measuring Perceived Usability

被引：14
作者：
Baumgartner, Juergen [1 ,2 ]
Frei, Naomi [1 ]
Kleinke, Mascha [1 ]
Sauer, Juergen [1 ]
Sonderegger, Andreas [3 ]
机构：
[1] Univ Fribourg, Dept Psychol, Rue Faucigny 2, CH-1700 Fribourg, Switzerland
[2] Puzzle ITC, We Are Cube, Belpstr 37, CH-3007 Bern, Switzerland
[3] EPFL, ECAL Lab, 11 Av 24 Janvier, CH-1020 Renens, Switzerland
来源：
CHI 2019: PROCEEDINGS OF THE 2019 CHI CONFERENCE ON HUMAN FACTORS IN COMPUTING SYSTEMS | 2019年
基金：
瑞士国家科学基金会;
关键词：
pictorial scale; consumer product; perceived usability; mobile device evaluation; MOTIVATION; INVENTORY; VALIDITY;
D O I：
10.1145/3290605.3300299
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
We have developed a pictorial multi-item scale, called P-SUS (Pictorial System Usability Scale), which aims to measure the perceived usability of mobile devices. The scale is based on the established verbal usability questionnaire SUS (System Usability Scale). A user-centred design process was employed to develop and refine its 10 pictorial items. The scale was tested in a first validation study (N=60) using student participants. Psychometric properties (convergent validity, criterion-related validity, sensitivity, and reliability), as well as the motivation to fill in the scale were assessed. The results indicated satisfactory convergent validity for about two-thirds of the items. Furthermore, strong correlations were obtained for the sum scores between verbal and pictorial SUS, and the pictorial scale was perceived as more motivating than the verbal questionnaire. The P-SUS represents a first attempt to provide a pictorial usability scale for the evaluation of (mobile) devices.
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页数：11
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