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SERVQUAL is a multidimensional research instrument designed to measure service quality by capturing respondents’ expectations and perceptions along five dimensions of service quality. [2] The questionnaire consists of matched pairs of items - 22 expectation items and 22 perceptions items - organised into five dimensions which are believed to ...
Service quality (SQ), in its contemporary conceptualisation, is a comparison of perceived expectations (E) of a service with perceived performance (P), giving rise to the equation SQ = P − E. [1] This conceptualistion of service quality has its origins in the expectancy-disconfirmation paradigm.
Perceived Quality: the quality attributed to a good or service based on indirect measures. Some of the dimensions are mutually reinforcing, although others are not: improvement in one may be secured at the expense of others. Understanding the trade-offs desired by customers among these dimensions can help build a competitive advantage.
The diagnostic value of the model accounts at least, in part, for the instrument's continuing currency in service quality research. [104] [105] [106] The five dimensions of service quality. The model's developers also devised a research instrument, called SERVQUAL, to measure the size and direction of service quality problems (i.e. gap 5). [107]
In problem-solving parlance, the SERVQUAL instrument performs a PROBLEM IDENTIFICATION ROLE(i.e. detects and measures the size of the problem); while the MODEL OF SERVICE QUALITY has a diagnostic role (helps to identify possible causes of the problem. SERVQUAL and the MODEL OF SERVICE QUALITY are related, but separate concepts.
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