基于扎根理论和结构方程模型的外卖电动车设计方法

Design method of takeout e-bikes based on grounded theory and SEM

为改善外卖电动车缺乏专有设计和用户满意度低的现状,提出一种综合扎根理论和结构方程模型(Structural Equation Modeling,SEM)的外卖电动车设计方法,以提升用户满意度。通过半结构化访谈的方式搜集用户原始资料,引入扎根理论的3级译码方法进行用户满意度影响因素的指标构建;采用问卷调查法结合结构方程模型,得到用户满意度影响因素模型中各维度的影响权重,根据影响权重确定设计要素,改进外卖电动车设计方案,确定外卖电动车改进与创新方向。采用系统可用性量表(System Usability Scale,SUS)验证设计方案的可行性。该方法突出了设计要素与产品满意度的关系,能为该类产品的系统设计与改进提供新思路,为外卖电动车设计提供参考。

In order to improve the current situation of the lack of exclusive design and low user satisfaction of takeout e-bikes,a design method of takeout e-bikes combining grounded theory and SEM was proposed to improve user satisfaction.The user original data were collected through semi-structured interviews,and three-level decoding method was introduced to construct the indicators of satisfaction factors.The weight of each dimension of the influence factor model was obtained using questionnaire method combined with structural equation model.The design elements were determined according to the influence weight.The design scheme of takeout e-bikes was optimized to obtain the improvement and innovation direction of takeout e-bikes.The System Usability Scale(SUS)was used to verify the feasibility of the design solution.This method highlighted the relationships between design elements and product satisfaction.This could provide new ideas for system design and optimization of such products,and provide references for the design of takeout e-bikes.