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Validity and Reliability of Metacognitive Rating Scale for Nursing Students
( Lee¸ Kyunghee ),( Heo¸ Youngjin ),( Han¸ Mihwa ),( Kim¸ Mijung ),( Choi¸ Hyunseok ) 한국정신간호학회 2021 정신간호학회지 Vol.30 No.3
Purpose: The aim of this study was to determine the reliability and validity of the metacognition rating scale (MCRS), which is a revised version of the existing metacognition questionnaire (MCQ) with anger and anxiety added. Methods: A survey was conducted on 591 nursing students at colleges in North and South Gyeongsang Provinces, South Korea. The collected data were processed for the reliability and validity of the MCRS through Cronbach’s α and confirmatory factor analysis using SPSS 26.0. Results: Cronbach’s α for the reliability of MCRS was calculated at .88, .86, .77, .74, and .66 for five subfactors. Among the five subfactors, the first, second, third, and fifth factors showed high correlation in each of six items. Factor 4 was highly correlated in 5 out of 6 questions. Conclusion: The data confirm that the MCQ revised to include anger and anxiety is both reliable and valid for nursing students. Therefore, this scale can be used to identify the maladaptive metacognition of nursing students in stressful situations.
지역사회에서 형성된 사회적 지지와 근로자의 사회심리적 스트레스간의 관련성
임화영,김형수,최영환,장성훈,이건세,정최경희,오원기,최재욱,정춘화 대한산업의학회 2006 대한직업환경의학회지 Vol.18 No.4
Objective: This study was performed to examine the relationship between community-based social support and psychosocial distress in workers. Methods: The study subjects were 596 workers recruited from 11 companies in Chungju city. A structured questionnaire was used to assess sociodemographics, health-related behaviors, job characteristics, job stress, work-based social support, community-based social support and level of psychosocial distress. Results: Hierarchical multiple regression analysis showed that workers with no chronic disease, exercise and sufficient sleep had a higher score of psychosocial distress than those with chronic disease, no exercise, and not enough sleep. Coworker's work-based social support and community-based social support were negatively associated with psychosocial distress. The R square value of total independent variables on psychosocial distress was 0.409, and that of community-based social support on psychosocial distress was 0.052. Conclusion: This study showed that community-based social support served as a protective factor against psychosocial distress in some workers. We recommend the establishment of a worksite stress reduction program in occupational level as well as community-based social support.
Kim, Hyunsoo,Kim, Han-Jong,Lee, Kyunghee,Kim, Jin-Man,Kim, Hee Sun,Kim, Jae-Ryong,Ha, Chae-Myeong,Choi, Young-Keun,Lee, Sun Joo,Kim, Joon-Young,Harris, Robert A,Jeong, Daewon,Lee, In-Kyu Blackwell Publishing Ltd 2012 Journal of cellular and molecular medicine Vol.16 No.2
<P><B>Abstract</B></P><P>Vascular calcification is prevalent in patients with chronic kidney disease and leads to increased cardiovascular morbidity and mortality. Although several reports have implicated mitochondrial dysfunction in cardiovascular disease and chronic kidney disease, little is known about the potential role of mitochondrial dysfunction in the process of vascular calcification. This study investigated the effect of α-lipoic acid (ALA), a naturally occurring antioxidant that improves mitochondrial function, on vascular calcification <I>in vitro</I> and <I>in vivo</I>. Calcifying vascular smooth muscle cells (VSMCs) treated with inorganic phosphate (Pi) exhibited mitochondrial dysfunction, as demonstrated by decreased mitochondrial membrane potential and ATP production, the disruption of mitochondrial structural integrity and concurrently increased production of reactive oxygen species. These Pi-induced functional and structural mitochondrial defects were accompanied by mitochondria-dependent apoptotic events, including release of cytochrome <I>c</I> from the mitochondria into the cytosol, subsequent activation of caspase-9 and -3, and chromosomal DNA fragmentation. Intriguingly, ALA blocked the Pi-induced VSMC apoptosis and calcification by recovery of mitochondrial function and intracellular redox status. Moreover, ALA inhibited Pi-induced down-regulation of cell survival signals through the binding of growth arrest-specific gene 6 (Gas6) to its cognate receptor Axl and subsequent Akt activation, resulting in increased survival and decreased apoptosis. Finally, ALA significantly ameliorated vitamin D<SUB>3</SUB>-induced aortic calcification and mitochondrial damage in mice. Collectively, the findings suggest ALA attenuates vascular calcification by inhibiting VSMC apoptosis through two distinct mechanisms; preservation of mitochondrial function <I>via</I> its antioxidant potential and restoration of the Gas6/Axl/Akt survival pathway.</P>
Lee, Kyunghee,Kim, Hyunsoo,Kim, Jin-Man,Kim, Jae-Ryong,Kim, Keuk-Jun,Kim, Yong-Jin,Park, Se-Il,Jeong, Jae-Ho,Moon, Young-mi,Lim, Hyun-Sook,Bae, Dong-Won,Kwon, Joseph,Ko, Chang-Yong,Kim, Han-Sung,Shin, Blackwell Publishing Ltd 2011 JOURNAL OF CELLULAR AND MOLECULAR MEDICINE Vol.15 No.10
<P>Systemic transplantation of adipose-derived stem cells (ASCs) is emerging as a novel therapeutic option for functional recovery of diverse damaged tissues. This study investigated the effects of systemic transplantation of human ASCs (hASCs) on bone repair. We found that hASCs secrete various bone cell-activating factors, including hepatocyte growth factor and extracellular matrix proteins. Systemic transplantation of hASCs into ovariectomized mice induced an increased number of both osteoblasts and osteoclasts in bone tissue and thereby prevented bone loss. We also observed that conditioned medium from hASCs is capable of stimulating proliferation and differentiation of osteoblasts <I>via</I> Smad/extracellular signal-regulated kinase (ERK)/JNK (c-jun NH<SUB>2</SUB>-terminal kinase) activation as well as survival and differentiation of osteoclasts <I>via</I> ERK/JNK/p38 activation <I>in vitro</I>. Overall, our findings suggest that paracrine factors secreted from hASCs improve bone repair and that hASCs can be a valuable tool for use in osteoporosis therapy.</P>
Revisiting TSI: How TSI Contributes to the Buyer- Seller Relationship
( Kyunghee Kim ),( Min Sung ),( Gang Ok Jung ) 서암순창장학회 2015 Journal of Marketing Thought Vol.1 No.4
Transaction cost economics (TCE) explains that once specialized assets are made, safeguarding problems are created because the receivers are likely to behave opportunistically and expropriate the assets, which is considered a market failure. Due to this, most research on transaction-specific investments (TSI) has focused mainly on its risky properties for several decades. However, some unsupported hypotheses that do not fall in line with the transaction cost theory prediction and increasing cooperative interorganizational relationships require alternative explanations regarding TSI. The role of TSI should be reinvestigated as a bridge that bonds firms involved in transaction relationships, and should not be regarded only as a major reason causing conflict between firms. This paper proposes how TSI contributes to boosting trusting relationship between dyadic firms. More specifically, this paper proposes the relationship between TSI and information sharing, flexibility, and solidarity.