The Covid 19 outbreak negatively affected all nations and all stages of social life. Since the mode of transmission is close contact, especially the educational environments that require collective presence have been accepted as the most risky places and the first measures have been taken in these areas. In this context, distance education was started by YÖK in all universities. Unlike previous distance education, both students and faculty faced many negativities due to various reasons during the epidemic period. In this study, it was aimed to develop a valid and reliable scale to measure the attitudes of Sivas Cumhuriyet University students towards distance education applied during the epidemic period. For this purpose, a draft scale consisting of 35 items was created in the first stage. As a result of EFA applied to the draft scale, a 21-item scale consisting of five factors was obtained. The fit of the model was tested with confirmatory factor analysis, and fit indices were found in the acceptance range. Test-retest results and item analysis based on lower and upper groups were obtained significantly. In addition, the Cronbach Alpha value of the scale was calculated as 0.884, and the Cronbach Alpha value of the sub-factors between 0.884-0.658.
Bu çalışma, sağlık eğitimi alan öğrencilerin Covid-19 ile ilgili bilgi, tutum ve davranışlarını belirlemek amacıyla yapılmıştır. Çalışmanın ilk aşamasında oluşturulan 47 maddelik madde havuzundan uzman görüşü doğrultusunda 10 madde çıkarılmıştır. Öğrencilere 37 maddeden oluşan bir veri toplama aracı uygulanmış ve elde edilen veriler analiz edilmiştir. İlk aşamada açıklayıcı faktör analizi uygulanmıştır. KMO değeri 0,807, Barlett testi skoru 3517,143 (p<0,000) olarak hesaplanmış ve verilerin analize uygun olduğu sonucuna ulaşılmıştır. 36 maddelik veri toplama aracından faktör analizi neticesinde 5 faktörden oluşan 20 maddelik ölçek geliştirilmiştir. Ölçeğe ait açıklanan toplam varyans %63,008, maddelerin faktör yük değerleri 0,501 ile 0,875 arasında hesaplanmıştır. Belirlenen bu faktör yapısının uyumluluğu doğrulayıcı faktör analizi ile teyit edilmiştir.
Çok kriterli karar verme yöntemleri (ÇKKV), belirli ölçütler doğrultusunda birçok alanda karar verme problemlerinin çözümünde, alternatiflerin sıralanmasında ve en iyi alternatifin seçilmesinde kullanılmaktadır. Aynı seçim ya da sıralama problemlerinde birden fazla ÇKKV yöntemi kullanılabilmekte, kullanılan yöntemlerin sonuçları farklılıklar gösterebilmektedir. Böyle bir durumda sonuçların ortak bir çözüm olarak sunulması karar alınmasına kolaylık sağlayacaktır. Bu çalışmada aynı amaca hizmet eden TOPSIS, GİA, VIKOR ve MOORA referans nokta yöntemlerinden elde edilen sıralama sonuçları Copeland yöntemiyle birleştirilmiş ve tek bir sıralama haline getirilmiştir. Birleştirilen sonuç, COPRAS, MOORA ve ARAS yöntemlerinden elde edilen sonuçlar ile de karşılaştırılmış ve güvenirliği test edilmiştir. Yöntemlerde OECD üyesi 23 ülke alternatif olarak alınmıştır. Dünya Bankası veri tabanından elde edilen, genel kabul görmüş beş kriter bu ülkelerin sıralanmasında kullanılmıştır. Kendi aralarında yüksek korelasyona sahip TOPSIS, GİA ve VIKOR yöntemlerinin sonuçları, birleştirilen sonuçlarla aynı derecede yüksek korelasyona sahiptir. MOORA Referans nokta yöntemi ise hem birleştirilen yöntemler arasında hem de birleşik sıralama sonuçlarıyla düşük uyuma sahiptir. Aynı zamanda birleştirilmeye dahil edilmeyen COPRAS, MOORA ve ARAS yöntemlerinden elde edilen sonuçların hesaplanan birleşik sıralamayla yüksek derecede uyumlu olduğu görülmüştür. Dolayısıyla birleştirme işleminin, belirli referans değerine göre sıralama yapan yöntemleri belirli referans değerinden etkilenmeyerek sıralama yapan yöntemlere yaklaştırdığı söylenebilir.
The aim of this study is to propose a model of stability and sensitivity for the studies used in the implementation of multi-criteria decision making (MCDM). In this context, it is proposed to use the steps "sensitivity analysis based on the variation of criterion weight, sensitivity analysis based on sequence reversal feature and comparison analysis with results from different sorting methods" for stability and sensitivity analysis. In the implementation part of the method, the Fragile Five countries were used as criteria for the unemployment rate, state budget, GDP growth, inflation, current account balance, risk premium for these countries. The criteria were weighted with MEREC and the ordering of alternatives was carried out with WISP. In the application phase of the method, it was found that the model was sensitive to changes in weight coefficients with different weights assigned to criteria over 22 scenarios. It has been observed that the model provides valid results in a dynamic environment through 4 different scenarios created in the sequence inversion step of the model. For the reliability of the MEREC-WISP-based model, a ranking comparison was made with some commonly used methods such as PIV, CoCoSo, COPRAS, WEDBA, TOPSIS and SAW and the results were found to have a high correlation.
This research; The purpose of this study was to determine the effect of the media on the consumer preferences of broiler meat consumption in different regions, different age, income, education level and occupational groups. For this purpose, a total of 1350 (Kayseri 500, Sivas 450, Yozgat 400) sample face-to-face surveys were conducted on three villages in Kayseri, Sivas and Yozgat provinces (TR 72 Region). In the study, the sample volume was determined by simple one-pass random sampling method based on the population ratios. The change in the impact of poultry-related negative media coverage on the consumption of poultry products has been examined on the TR72 region basis. In terms of the rate of followers of poultry news, the three provinces differ significantly from each other, and in general, about 75% of the individuals follow news about poultry. Percentage of people who think that the feeding of broiler chickens is not healthy is 60.4% on average, and regional differences are found significant in this value. The proportion of those who were affected by media news and reduced the amount of poultry consumption was 36.1%, with regional differences being significant. Negative news in the media about poultry sector was effective enough to cause marketing problems in this area, consumers were following these news at a high rate, while using media tools, more effective promotion and information had to be done.
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