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정아현 ( A Hyun Jeong ),김종준 ( Jong Jun Kim ) 한국패션비즈니스학회 2015 패션 비즈니스 Vol.19 No.2
In this study, the effect of shrink-resist treatment agent on the wool finishing, specifically anti-felting of wool product was studied. We aimed at providing preliminary data leading to the diversification of high-value added fashionable wool product. Two type of wool fabrics, dense and sheer, were employed. The fabric specimens were treated with solutions of shrink-resist treatment agent with wet pick-up rate 110%, 130%, and 150%, respectively, by using a padding mangle. The solution treated fabric specimens were then dried at room temperature first, at 90℃ for 15 minutes in a drying oven, and finally cured at 130℃ for 3 minutes. Cured wool fabric specimens were then subjected to a felting process. The physical and mechanical properties, including shrinkage rate along warp/filling direction, thickness at specified measurement pressure, drape stiffness, and air-permeability, were analyzed. After felting process, the shrinkage rates of wool fabric specimens, treated with shrink-resist treatment agent, were lower than those of control wool fabric specimens. The stiffness values of wool fabric specimens measured by using Flexometer were increased.
완벽주의와 인지적 정서조절 전략이 시험불안에 미치는 영향
정아현(A Hyun Jung),강민주(Min Ju Kang) 한국아동학회 2014 아동학회지 Vol.35 No.1
This study examined the effects of perfectionism and cognitive-emotion regulation strategies on the test anxiety. The participants in this study were 423(227 boys, 196 girls) 6th graders recruited from four elementary schools in Seoul, Korea. The participants completed the Test Anxiety Inventory-Korea(Kim, 1991), the Child and Adolescent Perfectionism Scale(CAPS; Flett at al, 2000), and the Cognitive-Emotion Regulation Questionnaire(CERQ; Garnefski, 2001). The results of this study were as follows. First, self-oriented perfectionism and socially prescribed perfectionism were both positively associated with test anxiety. Additionally, the children who used more adaptive cognitive-emotion regulation strategies reported lower test anxiety, whereas the children who used more maladaptive cognitive-emotion regulation strategies reported higher test anxiety. Secondly, there was an interactional effect between self-oriented perfectionism and maladaptive cognitive-emotion regulation strategies on test anxiety. Lastly, socially prescribed perfectionism and cognitive-emotion regulation strategies had a significant effect on children`s test anxiety. However, there were no interactional effects observed between socially prescribed perfectionism and cognitive-emotion regulation strategies on test anxiety.
정아현(Jung A hyun),이동현(Lee Dong-Hyun),김진영(Kim Jin-Young),김창기(Kim Chang Ki),김현구(Kim Hyun-Goo),이영섭(Lee Yung-Seop) 한국태양에너지학회 2020 한국태양에너지학회 논문집 Vol.40 No.6
We evaluated the forecast performance of solar radiation on the Korean Peninsula from the solar radiation data provided by the UASIBS-KIER model of KIER with the solar radiation forecast data generated by the GFS model of the NCEP. In this study, the spatial and temporal downscaling of the GFS model, a cumulative solar radiation forecast model per 3 hours units, was conducted to measure forecast performance. First, in the case of spatial downscaling, K-means clustering of solar radiation values corresponding to all latitude and longitude values of the Korean Peninsula was performed, and seven clusters were formed. Second, in the case of temporal downscaling, the cumulative solar radiation forecast value over 3 h was converted to the cumulative solar radiation value over 1 h. To measure the downscaling performance, the downscaling results of the cumulative forecast over 1 h of the GFS model were compared with the observed solar radiation values of the UASIBS-KIER model. We performed downscaling by using the same average ratio as the cumulative value over 3 h. In addition, we performed downscaling by using the correlation between the cumulative value over 1 h by the UASIBS-KIER model. Based on the rRMSE and rMAE, the use of the correlation was found to be more efficient that the use of the same average ratio.
아동의 기질과 또래 상호작용 간의 관계 : 모의 양육스트레스의 매개효과를 중심으로
신은경,정아현,김소아 한국인간발달학회 2014 人間發達硏究 Vol.21 No.4
The purpose of this study was to investigate the relationship between children's temperament and peer relationships, as mediated by the parenting stress of mothers. The subjects for this study comprised of 1,703 pairs of 3 years old children and their mothers. The subjects were taken from the 2011 Panel Study on Korean Children, a large population-based study conducted by the Korea Institute of Child Care and Education. The data were analyzed by means of t-tests, Pearson correlation analyses, multiple regression analyses and the Sobel tests. The results of this study were as follows. First, children's activity, sociability and the parenting stress of mothers were found to be related to play interaction. Moreover, children's emotionality and the parenting stress of mothers were found to be related to play disruption. Children's activity, sociability, emotionality and maternal stress were related to play severance. Second, children's emotionality had an influence upon peer interaction, disruption and severance, which in turn were partially mediated by the parenting stress of mothers. Children's activity was shown to influence peer interaction and severance, which was partially mediated by the parenting stress of mothers. Finally, children's sociability was shown to influence peer interaction, peer disruption and severance, which, once again, was partially mediated by parenting stress of mothers.