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İspir Demir Öznur,Sönmez Betül,Gül Duygu,Duygulu Sergül 한국산업안전보건공단 산업안전보건연구원 2023 Safety and health at work Vol.14 No.3
Background: The aim of the study was to test the validity and reliability of the Perceived Future Decent Work Securement Scale for Turkish nursing students. Methods: A cross-sectional, methodological study design was used. The study was carried out at three nursing undergraduate programs in Turkey during the academic year of 2020-2021 with 336 senior nursing students. Language validity and content validity analyses were performed for the scale adaptation, followed by confirmatory factor analysis (CFA) for construct validity. The reliability of the scale was determined using the test-retest and Cronbach’s alpha internal consistency coefficient. Results: The scale-content validity index score was 0.988. In CFA, all goodness-of-fit indices verified the acceptable fit of the model; its root mean square error of approximation was 0.076; the normed fit index was 0.909; the standardized mean square residual was 0.097; the relative fit index was 0.881; the goodness-of-fit index was 0.915; the adjusted goodness-of-fit index was 0.872 and χ2/df = 2.932. The overall reliability was α = 0.86. The item-total correlations of the scale were above the acceptable level, and the test-retest analysis had a high correlation. The access to healthcare (14.68, SD 3.53) obtained the highest average score, and the adequate compensation (8.52, SD 3.76) was the lowest rated by the senior nursing students. Conclusion: The Perceived Future Decent Work Securement Scale is a valid and reliable scale to assess nursing students’ future decent work securement.
Serge Rey,Sophie Nivoix 세종대학교 경제통합연구소 2018 Journal of Economic Integration Vol.33 No.1
From an asset portfolio management perspective, analyses of the correlations between returns are of great importance. This article investigates the correlations between the rates of return of Tokyo Electric Power Company stock and the Japanese Nikkei index over the lengthy period of 1985 to 2016. Using Markov-switching models, we seek to determine the effects of the Fukushima earthquake disaster compared with those of other shocks on the Japanese financial market. Although the Fukushima catastrophe resulted in more volatile stock prices, it had not changed the correlation structure among asset returns. In addition, both low- and high- volatility regimes, the Nikkei causes Tokyo Electric Power Company, but Tokyo Electric Power Company does not cause the Nikkei.
Serge Muhizi,Zheng Fan Zhang,김인호 충남대학교 농업과학연구소 2023 Korean Journal of Agricultural Science Vol.50 No.3
A total of 96 weanling pigs with an initial body weight of 5.96 ± 0.08 kg were randomly allocated to two dietary treatments and fed experimental weaning diets for 36 days in three phases; phase 1: day 1 to 7; phase 2: day 8 to 21, and phase 3: day 22 to 36. Treatments consisted of a basal diet (CON) containing 334.0 g/kg dried whey versus a lactic acid (LA) supplemented diet containing 313.6 g/kg dried whey with 10 g/kg LA during phase 1; a CON diet containing 200.0 g/kg dried whey versus an LA diet containing 186.0 g/kg dried whey with 7 g/kg LA during phase 2. During phase 3, both CON and LA groups were fed a diet without dried whey and LA. Pigs fed the LA diet had a higher average daily feed intake ADFI (p = 0.014) and reduced (p = 0.035) gain-feed ratio compared to pigs fed CON diet in phase 2. In phase 3, the average daily gain and feed intake were both increased (p = 0.026 and; p = 0.010, respectively) in the pigs previously fed the LA diet than those fed the CON diet. The apparent total tract digestibility of dry matter and, nitrogen, and the digestible energy were decreased (p < 0.05) in the LA diet group on day 7; however, increased (p < 0.05) digestibility of dry matter and nitrogen and digestible energy was observed at the end of phase 2 and 3. In conclusion, the inclusion of LA was inferred to have improved the average daily gain, feed intake, and nutrient digestibility during the late weanling period of pigs.
Effective Exchange Rate Volatility and MENA Countries' Exports to the EU
Serge Rey 중앙대학교 경제연구소 2006 Journal of Economic Development Vol.31 No.2
This paper investigates the impact of nominal and real effective exchange rate volatility on exports of six Middle Eastern and North Africa (MENA) countries to 15 member countries of the European Union (EU), for the period 1970Q1-2002Q4. Moving average standard deviation and conditional standard deviation at ARCH model are used to generate four different measures of volatility for each country. The cointegration results indicate a significant relationship, negative for four countries (Algeria, Egypt, Tunisia, and Turkey), positive for the last two (Israel and Morocco), between MENA exports and exchange rate volatility. The short run dynamics, using an error correction model, shows that the Granger – causality effects of the volatility on real exports are significant, whereas the effects of real exchange rate and the gross domestic product of EU are more contrasted. Indications on appropriate exchange rate regime are derived from these results.
European Real Exchange Rates after Bretton Woods: A Re-examination
( Serge Rey ),( Pascal Varachaud ) 세종대학교 경제통합연구소 (구 세종대학교 국제경제연구소) 2002 Journal of Economic Integration Vol.17 No.1
This paper examines the hypothesis of Purchasing Power Parity (PPP), i.e. the proposition that the equilibrium real exchange rate is a constant in the long run, in the case of Europe of the 15. For that purpose, we study the statistical properties of 14 European bilateral real exchange rates against the Deutschmark, over the period 1973-1998. These rates are constructed using consumer prices (CPI), wholesale prices (WPI) and unit labor costs (ULC). The results of various unit-root tests show that globally there is little evidence to support PPP, i. e. the stationarity hypothesis of real exchange rates is rejected. At the most, some meanreverting process are verified; in two cases with CPI, seven cases with WPI and three cases with ULC. Furthermore, general PPP with consumer prices is verified in only one case, namely between France and Germany. Finally, the evidence on bilateral real exchange rates suggests that inference on PPP is not sensitive to whether the country is a member of an European exchange system (snake and/or EMS). There is no systematic influence of exchange rate regimes.