“…They also use a gauge that is based on their cumulative memory of many positive experiences. Cl-S measurement has been identified as a function not only of output but also of client perceptions and expectations and Cl-S models have been widely developed in different countries based on several areas of concern, particularly to measure service quality (Al-Momani, 2000), contractor performance (Xlao and Proverbs, 2003;Soetanto and Proverbs, 2004;Egemen and Mohamed, 2006), and consultant performance (Cheng et al, 2006). The C1-S model also considers perspectives such as level of profit maximization (Haransky, 1999), effectiveness of the project brief (Cheong et al, 2004) and efficiency of project dispute resolu.tion (Cheung et al, 2000).…”