Özgür ÖZPEYNİRCİ, Yiğit KAZANÇOĞLU, Taner ALTUNOK, Recai YILMAZ

Comparative analysis of multicriteria decision making methods for postgraduate student selection

Lisansüstü öğrenim için mevcut kaynaklar, lisans için olanlarla karşılaştırıldığında oldukça sınırlıdır. Her lisansüstü öğrenci için bir akademik danışmak gerekmektedir. Akademik personel zamanının önemli bir bölümünü öğrencilerinin lisansüstü çalışmaları için ayırır. Akademik personel sayılı sınırlı olduğu için, lisansüstü öğrenci sayısı da sınırlı olmalıdır. Ayrıca bir lisans dersine birçok öğrenci katılabilir, bu, bazı lisansüstü derslerde, özellikle küçük öğrenci grupları için tasarlanmış olanlarda, mümkün olmayabilir. Bu sebeple, lisansüstü öğrencilerin seçimi önemli bir problemdir. Lisansüstü öğrenci seçimi problemi bir lisansüstü programa başvuran adaylar arasından bir öğrenci alt kümesi seçmek olarak tanımlanabilir. Doğal olarak, bu problem bir çok kriterli karar verme problemdir, çünkü her adayın birçok özelliği vardır ve karar sürecinde bu özellikler aynı anda göz önüne alınmalıdır. Araştırmanın Amacı: Bu çalışmanın amacı alternatifleri sıralamak için geliştirilmiş farklı çok kriterli karar verme metotlarının performanslarını lisansüstü öğrenci seçme probleminde karşılaştırmaktır. Ayrıca, en iyi yöntem Kara Harp Okulu Savunma Bilimleri Enstitüsü’nün öğrenci seçimi sürecinde kullanılacaktır.

Çok kriterli karar verme metotlarının lisansüstü öğrenci seçme problemi için karşılaştırmalı analizi

Problem Statement: The educational recourses available for postgraduate education are limited compared with the resources for undergraduate education. An academic advisor is required for each graduate student. The academic staff allocates an important portion of his/her time for graduate studies of his/her students. Since the number of academic staff is limited, the number of graduate students should be limited, too. While a large number of students may attend an undergraduate course, this may not be possible for some graduate courses, which are designed especially for small student groups. Hence, the selection of postgraduate students is an important problem. The postgraduate student selection problem can be defined as selecting a subset of students from the applicants for a postgraduate program. Naturally, this problem is a multi-criteria decisionmaking problem since each applicant has several attributes and these attributes should be considered simultaneously during the selection process. Purpose of Study: The purpose of this study is to compare the performance of different multi criteria decision-making methods developed for ranking alternatives for the postgraduate student selection problem. The best method will also be used in the student selection process for the Defense Sciences Institute of Turkish Military Academy. Methods: This paper discusses three multi-criteria decision making methods developed for ranking alternatives, namely Analytic Hierarchy Process (AHP), Weighted Product (WP) and the Technique for Order Preference by Similarity to Ideal Solution (TOPSIS). A performance measure is defined and the performance values of the methods are compared using real data gathered from the graduates of Defense Sciences Institute of Turkish Military Academy for illustration purposes. Findings and Results: According to the findings, AHP is the best of the three competitors. The ranking obtained by AHP is quite similar to the ranking of students with respect to their cumulative grade point average (CGPA) after their graduation from the program. Conclusions and Recommendations: Considering graduate student selection problem as a multicriteria decision-making problem is very important and enables universities to enroll graduate students with important attributes and a variety of strengths. This paper compares the performance of different multicriteria decision-making methods on graduate student selection problem using a single performance measure. A further study can be making such a comparison with multiple performance measures.

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