This chapter dealt with the evaluation of the study tool through a set of tests, for example ( the test Alpha Cronbach to identify the stability of the study tool, Pearson's correlation coefficient for knowledge, the internal consistency of the study tool, the composite stability test, and the average variance extracted), and then the calculation of ratios was dealt with Percentages and frequencies for demographic variables, then descriptive statistics of the study axes through some measure of dispersion and central tendency), and finally testing the study hypotheses through a set of tests or statistical methods, for example, the Pearson test to measure the relationship between the variables under study, and the simple and multiple linear regression test to measure the relationship The effect between the variables under study.
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