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The purpose of this research was to examine participation in physical activity and social media addiction among university students. A total of 462 university students from 3 different universities voluntarily participated in the study. In the study, the "Motivation Scale for Participation in Physical Activity" and "Facebook addiction scale" were used as data collection tools. In the study, the independent sample t-test and One-way ANOVA test were applied for normally distributed data depending on the number of variables. Also, correlation analysis and regression analysis were used. According to the simple linear regression analysis conducted to determine the effect of motivation on participation in physical activity on social media addiction, it was determined that the model established was statistically significant (F=70.305; p<0.05) and the ratio of explanation of the dependent variable by the independent variable was R2=0.182. It was determined that the most important factor that motivates students to participate in physical activity is individualistic reasons. Individualistic reasons were followed by environmental and causality factors, respectively. The results of the study show that students' participation in physical activity and social media addiction was not significantly differ in terms of their gender.

ÖzSpor alanının yanı sıra sosyal alanda da fair play anlayışına uygun davranışların artması bakımından eğitim kademelerinde fair play olgusunun sorgulanması elzemdir. Ahlaklı sporcular yetiştirebilmenin ve onların topluma örnek olmalarını sağlayabilmenin ancak küçük yaştan itibaren verilen eğitimle mümkün olacağı konusunda otoritelerin hem fikir olduğu görülmektedir. Ahlaklı sporcular için bir yaşam felsefesi olan fair play kavramının eğitimin çeşitli kademelerinde nasıl algılandığı araştırılmaya değerdir. Bu bağlamda araştırmanın amacı orta öğretim öğrencilerinin fair play kavramına ilişkin görüşlerinin incelenmesidir. Çalışmaya orta öğretim kademesinde eğitim alan 333 kadın ( yaş : 15,75 ± 1,25) 339 erkek ( yaş : 16,34 ± 1,80) toplam 672 birey ( yaş : 16,04 ± 1,10) katılmıştır. Veri toplama aracı olarak araştırmacılar tarafından oluşturulan demografik bilgi formunun yanı sıra sporda fair play davranışlarını sorgulayan anket kullanılmıştır. Verilerin analizinde SPSS 20 paket programından yararlanılmıştır. Verilerin çözümlenmesinde frekans ve yüzde dağılımları bulunmuş, ayrıca gruplar arası ilişkisel duruma Ki-Kare (x 2 ) testi ile bakılmıştır. Sonuç olarak erkek öğrencilerin kadın öğrencilere oranla fair play konusunda sertliğe daha yatkın oldukları, takım çıkarları söz konusu olduğunda lisanslı öğrencilerin diğer öğrencilere oranla fair play kavramına daha az önem verdiği ve yine lisanslı öğrencilerin aldatıcı ve yanıltıcı davranışları onayladıkları görülmektedir.Anahtar Kelimeler: Fair play, tutum, orta öğretim

Aim: To investigate the mean thrombocyte volume (MPV) in asymptomatic children infected with COVID-19. Methods: The study included 55 children infected with COVID-19 and 60 healthy children for the comparison of leukocyte and thrombocyte count, MPV, and serum C-reactive protein (CRP) levels. Demographic data and clinical findings of all the cases were recorded, including age, gender, weight, temperature, cough, shortness of breath and contact history. Results: The MPV values were determined to be statistically significantly high (p<0.001) and the lymphocyte values were significantly low (p:0.002) in the asymptomatic children infected with COVID-19 compared to the healthy control children. No difference was determined between the groups in respect of CRP level, leukocyte and thrombocyte counts (p>0.05). The optimal cutoff point for MPV was determined as 8.74 fl (Area under the curve-AUC:0.932) with 81.82% sensitivity and 95% specificity for the determination of children infected with COVID-19. A cutoff value of <2.12/mm3 for lymphocytes (AUC:0.670) was determined with 49.09% sensitivity and 86.67% specificity for the prediction of COVID-19. Based on the ROC analysis, the sensitivity and specificity of MPV was determined to be higher than that of lymphocyte levels. Conclusion: The results of this study that MPV levels are significantly high in asymptomatic children infected with COVID-19 demonstrate that this is an important predictive value and has better predictive capacity than lymphocyte values. The evaluation of MPV and lymphocyte levels together could increase diagnostic success in asymptomatic COVID-19 cases.