Conceptualization and Survey Instrument Development for Website Usability

IF 3.4 Q2 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS Informatics Pub Date : 2023-09-20 DOI:10.3390/informatics10030075

Nevcihan Toraman, Aycan Pekpazar, Cigdem Altin Gumussoy

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Abstract

The aim of this study is to conceptualize website usability and develop a survey instrument to measure related concepts from the perspective of end users. We designed a three-stage methodology. First, concepts related to website usability were derived using content analysis technique. A total of 16 constructs measuring website usability were defined with their explanations and corresponding open codes. Second, a survey instrument was developed according to the defined open codes and the literature. The instrument was first validated using face validity, pilot testing (n = 30), and content validity (n = 40). Third, the survey instrument was validated using explanatory and confirmatory analyses. In the explanatory analysis, 785 questionnaires were collected from e-commerce website users to validate the factor structure of website usability. For confirmatory factor analysis, a new sample collected from 1086 users of e-commerce websites was used to confirm the measurement model. In addition, nomological validation was conducted by analyzing the effect of website usability concepts on three key factors: “continued intention to use”, “satisfaction”, and “brand loyalty”.

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网站可用性的概念化和调查工具开发

本研究的目的是概念化网站可用性，并开发一种调查工具，从最终用户的角度来衡量相关概念。我们设计了一个三阶段的方法。首先，使用内容分析技术推导出与网站可用性相关的概念。共定义了16个衡量网站可用性的构式及其解释和相应的开放代码。其次，根据开放规范的定义和文献资料，开发了一种测量仪器。首先使用面部效度、先导测试(n = 30)和内容效度(n = 40)对仪器进行验证。第三，使用解释和验证性分析对调查工具进行了验证。在解释分析中，从电子商务网站用户中收集了785份问卷来验证网站可用性的因素结构。验证性因子分析采用1086个电子商务网站用户的新样本对测量模型进行验证。此外，通过分析网站可用性概念对“持续使用意愿”、“满意度”和“品牌忠诚度”三个关键因素的影响进行了法理验证。

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