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... In this study, Paired Samples t-test, and Independent Samples t-test are performed at 5% level of significance (p value <0.05). In order to compare the effectiveness of two treatments, the difference between Pre-test and Post-test scores would be calculated and then the mean of these differences would be calculated separately for Group A (Table 1) and Group B (Table 2). These mean of the differences for two Group (A and B) would be considered as the sample means of two groups respectively. ...