شروط و معايير اختيار و تحديد حجم العينات الاحصائية دراسة تحميمية تقويمية لمذكرات تخرج ماستر بكمية العموم الاجتماعية بجامعة مستغانم

The current study aimed to research the foundations adopted by the Master’s students at the Faculty of Social Sciences at the University of Mostaganem in selecting and determining the sample sizes for their studies, and directing their attention to the mistakes they make. The descriptive and evaluative method was used. A form was designed to collect study data, and verify its psychometric properties. The study sample consisted of (153) master's notes available at the Faculty of Social Sciences, Mostaganem University. The results of the study showed that the most used samples by researchers are the simple random sample (30.07%), and that (18.94%) of the researchers did not specify the type of sample used. It was also found that (69.93%) of the samples are not suitable for the nature of the community. It turned out that the proportional estimation method is the most widely used method for determining the sample size. an‎d that (58.17%) of the samples were not representative of the community. The results also showed that there were statistically significant differences in the extent of sample representation according to the difference of the variable (specialization) in the master's graduation notes at the Faculty of Social Sciences, Mostaganem University.