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    Empirical Type 1 Error Rate and Power Comparisons of Normality Tests with R
    (2018) Pekgör, Ahmet; Erişoğlu, Murat; Karakoca, Aydın; Erişoğlu, Ülkü
    Normality is one of the main presuppositions instatistical tests. The multiplicity of the normality tests bring out anotherproblem of choosing the appropriate test for researchers. The free software Rwhich has a great popularity in the statistical analysis has 18 normality testsin 4 different packages. In this study we compared performance of thesenormality tests in terms of empirical type 1 error rate and power by MonteCarlo simulation. As a result, regardless of the distribution of data (symetricor asymmetric) the Shapiro-Francia test, also the Frosini B test performedbetter than the other normality tests in terms of experimental type 1 errorrate. However the widely used Kolmogorov-Smirnov test showed worse performancethan other normality tests in terms of empirical type 1 error rate and power.
  • Küçük Resim
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    Evaluation of Factors Affecting the Use of the Central Physician Appointment System
    (2017) Pekgör, Selma; Eryılmaz, Mehmet Ali; Solak, İbrahim; Pekgör, Ahmet; Yaka, Hümeyra; Korkusuz, Dilek
    Objective: The aim of this study was to investigate the frequency of use of the Central Physician Appointment System (CPAS) in a Konya hospital and the factors affecting use.Methods: A total of 7187 people who were admitted to the outpatient clinics of the hospital and had completed an examination between January 20 and February 28, 2017 were included in the study. Face-to-face interviews were performed with the patients.Results: Of all the patients, 49.9% made their appointment via CPAS, and 47.4% made an appointment from a kiosk. CPAS usage was higher among white-collar workers than tradesmen, laborers, housewives, or retirees (p0.001). As education level and monthly income level increased, the use of CPAS also increased (p0.001). CPAS was also used more by those who lived in the center of Konya than by those who lived in surrounding rural areas (p0.001). The patient satisfaction rate was 89.4%.Conclusion: In order to increase the use of CPAS, new strategies should be developed targeting residents of rural areas and those of lower socioeconomic status. Existing public service announcements and promotional leaflets should also be disseminated