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The scales used in previous studies provided the basis for developing the research questionnaire. Due to availability issue of the previous study in this field, the study will go through tests to check the validity and reliability of the survey and its procedures. In order to make sure the used survey is valid, the questioners will be send to 20 potential respondents and then evaluate their responses. To find out wither the survey is reliable or not we will measures the internal consistency which is the most popular methods of estimating reliability. The questioners will be arbitrarily split into two groups and then measure the correlation between the two subsets of questioners. For a better result we will use statistic known as Cronbach's alpha which is based on the mean (absolute value) inter-item correlation related to all possible variable pairs. Cronbach's alpha provides a conservative estimate of reliability, and commonly represents the lower bound to the reliability of a scale of items (Zikmund, 2003).

3.3 INSTRUMENT DEVELOPMENT

To answer the aforementioned research questions, a questionnaire in English was designed with a set of questions that were mainly developed from the literature especially the efforts of Kamal Naser (1999) in measuring the degree of customers toward Islamic services in Jordan. The data collection instrument is a 3-page self-administered questionnaire, which consists of two sections (see Appendix A). Section 1,2,3 and 4 was put in a way to collect information on customers perception and attitude toward Islamic banks. Using a 5-point Likert-type scale, respondents rated their agreement from (1) ‘Strongly Disagree' to (5) ‘Strongly Agree'. Each of these dimension were adopted from different study that was presumed to be relevant to this study. Customers perceptions were deemed to be very high if the mean (average) value was between 4 and 5. However, if the mean value was between 1 and 2, they were deemed to have difficulty to move across future or next generations. A mean value that equals 3 was considered to have average (moderate).

3.4 RELIABILITY AND VALIDITY

Previous studies suggest that it is important to check and measure the validity and the reliability of the questionnaire. Zikmund (2003) suggests that validity emphasizes on whether the findings of the study are really about what they appear to be about. He stressed that validity is a significant element for any research project because it is concerned with whether the findings are really about what we intend to measure. While, on the other hand, Reliability defined as; “the degree of which a study generates the same result on different occasions and by different researchers” (Saunders et al., 2000). The questionnaire items of this study were designed and implemented in prior researches and studies. However, to eliminate the possibility to getting wrong answers, a study should give more intention to validity issues (Saunders and Thornhill, 2003). The following chapter discusses and summarizes the validity and reliability of the questionnaire.

3.5 PILOT STUDY

It is important that a study checks the validity and reliability of the data collect本论文由英语论文网提供整理，提供论文代写，英语论文代写，代写论文，代写英语论文，代写留学生论文，代写英文论文，留学生论文代写相关核心关键词搜索。