26 research outputs found
Nepotism, employees’ competencies and firm performance in the tourism sector: A dual multivariate and Qualitative Comparative Analysis approach
© 2018 Elsevier Ltd The paper identifies the critical competencies affecting Egyptian travel agents’ performance while assessing the negative influence of nepotism on such competencies. To address this aim, the study uses a holistic dual approach employing a multivariate technique using Partial Least Squares Structural Equation Modelling (PLS-SEM) and a configuration method through a fuzzy-set Qualitative Comparative Analysis (fsQCA). Based on a sample of 500 travel agents’ employees, the results show that: (1) none of the competencies is sufficient to drive travel agents’ performance, (2) two distinct configurations of employee competencies are likely to result in high performance, and (3) nepotism has a direct negative influence on some of these competencies. The study holds important implications for both theory and practice
Use of magnetite coated with polypyrrole on speciation of chromium
Bu tez çalışmasında, krom elementinin alevli atomik absorpsiyon
spektrometresi ile tayini öncesi önderiştirilmesi ve türlemesi için bir manyetik katı
faz ekstraksiyon (MSPE) yöntemi optimize edildi. Yöntem, manyetik katı faz
olarak polipirol kaplanmış manyetit (Fe3O4@PPy) kullanımını esas alır. Cr(VI),
Cr(III) varlığında seçimli olarak 0.01 mol L-1 HCl çözeltisinden 190 mg
Fe3O4@PPy kullanımıyla özütlendi. Her iki iyon birlikte, 0.001 mol L-1 HCl
çözeltilerinden kantitatif olarak deriştirildi. Cr(VI) yüklü Fe3O4@PPy’den, Cr(VI)
iyonlarının kantitatif elüasyonu için 5 mL 2 mol L-1 HCl ile hazırlanan % 1’lik
tiyoüre çözeltisi yeterlidir. Önderiştirme için, en büyük örnek hacmi 60 mL olarak
bulundu. Böylece, önderiştirme faktörü 12 olarak hesaplandı. Cr(VI) iyonları için
geri kazanma değerleri %95’den büyüktür.In this thesis, a magnetic solid phase extraction (MSPE) method was
optimized for preconcentration and speciation of chromium prior to its
determination by flame atomic absorption spectrometer. The method is based on
use of polypyrrole-coated Fe3O4 nanoparticles(Fe3O4@PPy) as a magnetic solid
phase. Cr(VI) ions in presence of Cr(III) ions were selectively extracted from 0.01
mol L-1 HCl solution using 190 mg Fe3O4@PPy. Both the ions were quantitatively
concentrated from 0.001 mol L-1 HCl solutions. 5 mL of 1% thiourine in 2 mol L-
1 HCl is sufficient for quantitative eluation of Cr(VI) ions from Fe3O4@PPy
loaded with Cr(VI) ions. The largest sample volume for the extraction was found
to be 60 mL. So, preconcentration factor was calculated to be 12. The recovery
values for Cr(VI) were higher than 95%
The analysis of the matches that Turkey A National Football Team Played in World Cup 2006 preselection group
Bu araştırma; Türkiye A Milli Futbol Takımının 2006 Dünya Kupası ön eleme grubunda toplam 12 maç olmak üzere içerde ve dışarıda oynadığı maçlarda pas, şut, gol, gol öncesi pas sayısı, gol oluşma süresi, top kazanma ve top kaybetme olarak belirlenen parametrelerin karşılaştırılması amacıyla yapılmıştır. 2006 Dünya Kupası ön eleme grubunda oynanan toplam 12 maçın videokasetleri, vcd formatına dönüştürülerek bilgisayara yüklenmiş ve analize hazır hale getirilmiştir. MUNA Futbol Analiz Programından yararlanılarak parametreler için veriler elde edilmiştir. İstatistiksel olarak, parametreler arasında fark olup olmadığı, Wilcoxon testi ile analiz edilmiştir. İstatistiksel işlemler SPSS 15,0 programında gerçekleştirilmiştir. Analiz sonuçları; Türkiye A Milli Futbol Takımının içerde ve dışarıda oynadığı maçlarda; pas, top kazanma, top kaybetme, şut, gol, gol oluşma süresi ve gol öncesi pas sayısı olarak belirlenen parametrelerin arasında istatistiksel olarak anlamlı bir farkın olmadığını göstermektedir (p>0.05). Bu bulgular çerçevesinde, Türkiye A Milli Futbol Takımının kendine özgü bir yapı oluşturup oluşturamadığına yönelik ipuçlarına ulaşılmaya çalışılmıştır. Elde edilen bulgulara göre; Türkiye A Milli Futbol Takımının kendine özgü bir oyun yapısının oluşmaya başladığı düşünülmektedir.The objective of this research is to compare the parameters (pass, gaining the ball, losing the ball, shot, goal, duration of goal formation and number of the passes before a goal is scored) in home and away matches (in total 12 matches) that Turkey A National Football Team played in World Cup 2006 preselection group. Videocasettes of these 12 matches that had been played in World Cup 2006 preselection group were transformed to vcd format, and then been uploaded to the computer; and been made ready for the analysis. Benefiting from MUNA analysis programme; datas for the parameters were obtained. Wilcoxon test was used in order to analyse whether there was a statistical difference between the parameters or not. Statistical processes were evaluated in SPSS 15,0 programme. The analysis results indicated that; statistically there was no significant difference between the parameters (pass, gainig the ball, losing the ball, shot, goal, duration of goal formation and number of the passes before a goal is scored) in home and away matches that Turkey A National Football Team played in World Cup 2006 preselection group (p>0.05). According to these findings; it had been tried to achieve at the result whether Turkey A National Football Team developed his own typical structure or not. As a result; it is considered that; Turkey A National Football Team has begun developing his own play structure
An evaluative study of leadership aspect of empowerment turkish republic of northern cyprus hotel organizations from total quality managment perspective
TEZ3676Tez (Doktora) -- Çukurova Üniversitesi, Adana, 2000.Kaynakça (s. 206-213) var.xxix, 260 s. ; 30 cm.
The impacts of superior politics on frontline employees' behavioral and psychological outcomes
WOS: 000265716900006In this study the effect of superior politics on frontline employees' behavioral and psychological outcomes was examined using data collected from 4- and 5-star hotels in Northern Cyprus. The research hypotheses were tested using LISREL 8.54 through path analysis. The model test results indicated that scarce resources are a significant determinant of superior politics. In addition, path analysis results showed that superior politics and scarce resources have a significant negative association with subordinate performance. The model test findings also demonstrated that superior politics and scarce resources are negatively associated with job satisfaction. This research, however, failed to uncover a significant positive association between subordinate performance and job satisfaction. Similarly, scarce resources and subordinate performance did not have significant associations with job commitment
Cytokines in human milk and late-onset breast milk jaundice
Ankarali, Handan Camdeviren/0000-0002-3613-0523; tekin, ishak ozel/0000-0002-9969-4254WOS: 000315093800013PubMed: 22672115Background: Maternal milk plays an important role in the development of late-onset breast milk jaundice (BMJ), possibly due to the unique characteristics of breast milk. The aim of this study was to investigate whether there is a relation between cytokine concentrations in the milk of nursing mothers and BMJ. Methods: Breast milk samples were collected from breast-feeding mothers of healthy full-term neonates, 40 with BMJ and 40 without jaundice. Milk samples were taken between the second and the fourth postpartum week. The concentrations of interleukin (IL)-1 beta, IL-6, IL-8, IL-10, and tumor necrosis factor-alpha were measured by flow cytometric bead array. Results: There were significant differences between the study groups in terms of IL-1 beta concentrations (P = 0.013). Not statistically significant but similar trends were also seen for IL-10 (P = 0.067) and tumor necrosis factor-alpha (P = 0.053) concentrations. However, no significant differences were noted in IL-6 (P = 0.174) and IL-8 (P = 0.285) concentrations. Conclusions: IL-1 beta concentration seems to be increased in milk of mothers whose infants had BMJ. Although the effect of these cytokines on BMJ is unknown, it may cause prolonged jaundice via hepatic uptake, hepatic excretion, conjugation and intestinal absorption
Capacidad y Competitividad Académica de las DES de Ingeniería de las Universidades Públicas Estatales en México
Décimo Congreso Internaciona
Denizli ilinin Yeşilyuva kasabasındaki geleneksel ayakkabı üretiminin cumhuriyet tarihi boyunca geçirdiği dönüşüm
Ankara : İhsan Doğramacı Bilkent Üniversitesi İktisadi, İdari ve Sosyal Bilimler Fakültesi, Tarih Bölümü, 2016.This work is a student project of the The Department of History, Faculty of Economics, Administrative and Social Sciences, İhsan Doğramacı Bilkent University.by Çekiç, Can Eyüp
Does gender moderates the relationship between favoritism/nepotism, supervisor incivility, cynicism and workplace withdrawal: A neural network and SEM approach
Abubakar A. Mohammed (Aksaray, Yazar)Organizational politics and workplace victimization are social stressors with significant implications on the wellbeing of employees. Applying Job Demand Resources framework, this study examines the impact of favoritism/nepotism, supervisor incivility on employee cynicism, and work withdrawal, and the moderating role of gender. Utilizing a cross-sectional design, data were gathered from frontline employees working in 3-star hotels in Northern Cyprus. Results from structural equation modeling and artificial neural network revealed that: (1) favoritism/nepotism has a positive impact on employee cynicism and work withdrawal; (2) employee cynicism has a positive impact on work withdrawal; (3) employee cynicism mediates the relationship between favoritism/nepotism, and work withdrawal; (4) the impact of employee cynicism on work withdrawal was about 6.7 times stronger for women; (5) the impact of favoritism/nepotism on work withdrawal was about 2.1 times stronger for men. Strategies to reduce this unwanted practices and how to keep employees productive are discussed
Agmatine attenuates intestinal ischemia and reperfusion injury by reducing oxidative stress and inflammatory reaction in rats
Aims Oxidative stress and inflammatory response are major factors causing several tissue injuries in intestinal ischemia and reperfusion (I/R). Agmatine has been reported to attenuate I/R injury of various organs. The present study aims to analyze the possible protective effects of agmatine on intestinal I/R injury in rats. Main methods Four groups were designed: sham control, agmatine-treated control, I/R control, and agmatine-treated I/R groups. IR injury of small intestine was induced by the occlusion of the superior mesenteric artery for half an hour to be followed by a 3-hour-long reperfusion. Agmatine (10 mg/kg) was administered intraperitoneally before reperfusion period. After 180 min of reperfusion period, the contractile responses to both carbachol and potassium chloride (KCl) were subsequently examined in an isolated-organ bath. Malondialdehyde (MDA), reduced glutathione (GSH), and the activity of myeloperoxidase (MPO) were measured in intestinal tissue. Plasma cytokine levels were determined. The expression of the intestinal inducible nitric oxide synthase (iNOS) was also assessed by immunohistochemistry. Key findings The treatment with agmatine appeared to be significantly effective in reducing the MDA content and MPO activity besides restoring the content of GSH. The treatment also attenuated the histological injury. The increases in the I/R induced expressions of iNOS, IFN-?, and IL-1? were brought back to the sham control levels by the treatment as well. Significance Our findings indicate that the agmatine pretreatment may ameliorate reperfusion induced injury in small intestine mainly due to reducing inflammatory response and oxidative stress. © 2017 Elsevier Inc.2011-20-00-02This work was supported by the research fund provided through Bulent Ecevit University [grant numbers 2011-20-00-02 ]. The authors express sincere gratitude to Eda Baki Zengin (Bulent Ecevit University, School of Foreign Languages) for providing language support