“…However, SERVQUAL, which is a well -known scale of measurement for service quality from marketing literature (Pitt, 1995), is suggested for measuring IS service quality by a number of researchers. The scale, which is the most widely used measure of service quality (Davis, 1999), was improved to measure the service quality in marketing literature by Parasuraman et al (Parasuraman, 1991, 1994. The scale in its final shape contains 44 variables divided into five dimensions (Pitt, 1995):…”