A second-order reflective measure of the customer service dimension of e-service quality, covering overall service excellence, return-handling quality, and general satisfaction with customer service. Items are intentionally general because the more specific first-order attributes of customer service quality are measured separately. AVE = .82. Evidence of discriminant validity reported.
Blut, M. (2016). E-service quality: Development of a hierarchical model. Journal of Retailing, 92(4), 500–517.
Free access to 2023+ psychometric scales at PsychScales