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李基寧,李根培,李春寧,全鉉五 서울대학교 1958 서울대학교 論文集 Vol.7 No.-
Vitamin B_12 contents of a variety of conventional Korean foods were bioassayed employing Euglena gracilis. On the basis of fresh weight animal organs and fremented sea foods are excellent sources of vitamin B_12. Several foods of plant origin were found to be fair sources of the vitamin B_12.
도박문제 심각도와 도박인지오류 간 우울의 매개효과: 도박문제치료 지역센터 자료 이차분석
이기령,홍정아 한국정신간호학회 2018 정신간호학회지 Vol.27 No.4
Purpose: The purpose of this study was to test the mediating effect of depression on the relationship between gambling severity and cognitive distortion in Koreans with a gambling disorder. Methods: Secondary data from a comprehensive assessment of problematic gambling between 2015 and 2017 on Korea Center on Gambling Problems were used. The subjects in this study were 254 Koreans with that gambling disorder. Data were collected with self-report structured questionnaires which included individual characteristics, the Korean version of Problem Gambling Severity Index, the Center for the Epidemiologic Studies Depression, and the Gambling Related Cognitions Scale. Data were analyzed by using descriptive statistics, independent t-test, one-way ANOVA with the Scheffé test, Pearson’s correlation coefficients, and a mediation analysis of the Baron and Kenny method with the SPSS 22.0 program. Results: Significant correlations emerged among the three variables, gambling severity, depression, and cognitive distortion. Depression exerted a partial mediating effect (β=.20, p<.001) on the relationship between gambling severity and cognitive distortion (Sobel test: z=2.33, p=.012). Conclusion: Based on this study’s findings, nursing intervention programs focused on managing gambling severity and decreasing depression are highly recommended to alleviate cognitive distortion in people with a gambling disorder.
국채장기수익률의 동태적 조건부 상관관계를 이용한 중국 실물경제예측에 관한 연구
이기령(Lee Kiryoung) 한양대학교 아태지역연구센터 2018 중소연구 Vol.42 No.1
This study is intended to develop a prediction tool with which an economic depression or crisis of the People’s Republic of China while the uncertainty of the Chinese economy has increased. In this study as a follow-up one which tests if the study results conducted by Lee et al. (2016) in the USA may be able to applied effectively to the Chinese economy, the prediction capability of the Chinese Economy was tested by having used the dynamic conditional correlation between many long-term government bond yields that hold the future economic information at the time of the present when the synchronization of the economies of many countries over the world has been deepened. As the results from the In Sample test, it was found that the dynamic conditional correlations caused by the global and regional factors were effective from the middle- and long-term views even though the term spreads, PMIs and the relevant leading economic indexes were controlled. As the results from the Out of Sample test, for predicting the Chinese economy, it was found that the regional factors have a superior prediction capability than the term spread in a short term. Accordingly, it seems that it is rational to conduct a short-term prediction mainly by examining the dynamic conditional correlation between the regional factors and to do a middle- or long-term prediction by checking the term spreads.