5 distance (GAP of 5): the difference between the expectation of service and customer service sense. According to the above model, the distance about the expectations of the customer and the customer's perception of service quality (5) with the 4 remaining distance. So the distance of 5 = 1 + distance distance 2 + 3 + 4 distance distance Angur (1999) has confirmed the SERVQUAL scale is good for the quality of services in retail banking in the developing countries. Because of this reason, the author uses the measurement of Parasuraman to do his research. The components of the SERVQUAL:
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