• 제목/요약/키워드: Interaction effects

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The Effects of Preschoolers' Temperament on Peer Play Behaviors: Focusing on Mediation of Mothers' Social Interaction Parenting Behaviors (유아의 기질적 특성이 또래놀이행동에 미치는 영향 - 어머니의 사회적 양육행동의 매개효과를 중심으로)

  • Hwang, Hae Shin;Suh, Joo Hyun
    • Korean Journal of Childcare and Education
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    • v.14 no.1
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    • pp.249-268
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    • 2018
  • Objective: The purpose of this study was to examine the effects of preschooler's temperament on peer play activity, focusing on the mediation of mothers' social interaction parenting behaviors Methods: 1695 mothers of preschoolers completed questionnaires on children's temperament and peer play behaviors, and mothers' parenting behaviors. Data were analyzed by regression analyses by SPSS 18.0. Results: First, preschoolers' sociability exerted positive effects on good peer play behaviors(play interaction) and negative effects on the bad peer play behaviors (disruption, disconnection) and both were partially mediated by mothers' social interaction parenting behaviors. Second, preschoolers' emotionality exerted negative effects on good peer play behaviors and positive effects on the bad peer play behaviors and both were partially mediated by mothers' social interaction parenting behaviors. Preschoolers' activity exerted positive effects on good peer play behaviors and negative effects on the bad peer play behaviors and both were partially mediated by mothers' social interaction parenting behaviors. Conclusion/Implications: These findings provide preliminary evidence that mothers' social interaction parenting behavior partially mediate the effects of preschoolers' temperament on peer play behaviors. Implications for the use of intervention targeting specific temperament have been discussed.

Estimation of Interaction Effects among Nucleotide Sequence Variants in Animal Genomes

  • Lee, Chaeyoung;Kim, Younyoung
    • Asian-Australasian Journal of Animal Sciences
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    • v.22 no.1
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    • pp.124-130
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    • 2009
  • Estimating genetic interaction effects in animal genomics would be one of the most challenging studies because the phenotypic variation for economically important traits might be largely explained by interaction effects among multiple nucleotide sequence variants under various environmental exposures. Genetic improvement of economic animals would be expected by understanding multi-locus genetic interaction effects associated with economic traits. Most analyses in animal breeding and genetics, however, have excluded the possibility of genetic interaction effects in their analytical models. This review discusses a historical estimation of the genetic interaction and difficulties in analyzing the interaction effects. Furthermore, two recently developed methods for assessing genetic interactions are introduced to animal genomics. One is the restricted partition method, as a nonparametric grouping-based approach, that iteratively utilizes grouping of genotypes with the smallest difference into a new group, and the other is the Bayesian method that draws inferences about the genetic interaction effects based on their marginal posterior distributions and attains the marginalization of the joint posterior distribution through Gibbs sampling as a Markov chain Monte Carlo. Further developing appropriate and efficient methods for assessing genetic interactions would be urgent to achieve accurate understanding of genetic architecture for complex traits of economic animals.

Numerical analysis for hydrodynamic interaction effects between vessel and semi-circle bank wall

  • Lee, Chun-Ki;Moon, Serng-Bae;Oh, Jin-Seok;Lee, Sang-Min
    • International Journal of Naval Architecture and Ocean Engineering
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    • v.7 no.4
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    • pp.691-698
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    • 2015
  • The hydrodynamic interaction forces and moments induced by the vicinity of bank on a passing vessel are known as wall effects. In this paper, the characteristics of interaction acting on a passing vessel in the proximity of a semi-circle bank wall are described and illustrated, and the effects of ship velocity, water depth and the lateral distance between vessel and semi-circle bank wall are discussed. For spacing between ship and semi-circle bank wall (SP) less than about 0.2 L and depth to ship's draft ratio (h/d) less than around 2.0, the ship-bank interaction effects increase steeply as h/d decreases. However, for spacing between ship and semi-circle bank wall (SP) more than about 0.3 L, the ship-bank interaction effects increase slowly as h/d decreases, regardless of the water depth. Also, for spacing between ship and semi-circle bank wall (SP) less than about 0.2 L, the hydrodynamic interaction effects acting on large vessel increase largely as ship velocity increases. In the meantime, for spacing between ship and semi-circle bank wall ($S_P$) more than 0.3 L, the interaction effects increase slowly as ship velocity increases.

Analysis of Dynamic Interaction between Rigid Surface Foundations by 3-D Homogeneous Strip Hyperelement (3차원 Homogeneous Strip Hyperelement를 이용한 표면 강체 기초간 상호 작용 해석)

  • 김재관
    • Proceedings of the Earthquake Engineering Society of Korea Conference
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    • 1997.10a
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    • pp.109-116
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    • 1997
  • The contiguous or adjacent foundations are always coupled through the soil. Hence their behavior is quite different due to the interaction effects between or among the foundations. The interaction effects can be very pronounced if the distance between them is very close. An 3-D homogeneous strip hyperelement is developed to analyze the dynamic interaction between rectangular or irregular shape found ations. The effects of interaction on the dynamic behaviors of the adjacent rigid rectangular foundations. The effects of interaction on the dynamic behaviors of the adjacent rigid rectangular foundations. The effects of interaction on the dynamic behaviors of the adjacent rigid rectangular foundations resting on the surface of a stratum are stratum are studied using the newly developed method.

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The Effect of Day-Care, Child′s Characteristics and Maternal Behavior on Child Aggression (보육경험과 아동특성 및 어머니의 양육행동이 아동의 공격성에 미치는 영향)

  • 박성연;고은주
    • Journal of Families and Better Life
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    • v.22 no.2
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    • pp.23-35
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    • 2004
  • The purpose of this study is to evaluate child - care effects on young child's aggression in ecological context. For this, main effects, interaction effects and cumulative effects between child care experiences(quantity, quality, age of entry and stability) and maternal behavior as well as characteristics of child(sex, age and temperament) were examined. A total of 62 young children(34 boys and 28 girls) enrolled in child - care center were observed, and mothers and caregivers completed questionnaires. Data was analysed by three - way ANOVA, logistic regression and crosstabs. As result, first, main effects of quantity, rejective and regulative mothering on children's aggression were found. Second, there were significant interaction effects between both quality and quantity of day-care and rejective mothering. In particular, the interaction effects provided evidence that high - quality child - care served a compensatory function for extensive care and rejective mothering. Third, logistic regression analysis revealed risk factors for child's aggression and the effects of these risk factors were cumulative. Interaction effects of day-care quality and cumulative effects of day-care, characteristics of child and maternal behavior on child aggression were discussed.

An Experimental Study on Ship-Bank Hydrodynamic Interaction Forces (선박에 작용하는 측벽영향에 관한 실험적 연구)

  • Lee, Chun-Ki
    • Journal of Navigation and Port Research
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    • v.37 no.3
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    • pp.251-256
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    • 2013
  • This paper is mainly concerned with the ship-bank interaction by model test. The experiments for the characteristics of hydrodynamic interaction forces and moments between vessel and bank with a mound were carried out in the seakeeping and maneuvering basin. A series of tests were carried out with ship model in parallel course along a vertical sidewall with a mound with varying lateral spacing between model ship and sidewall, length of sidewall and water depth. From the experimental results, it indicated that the hydrodynamic interaction effects increase as length of sidewall with a mound increases. Furthermore, for lateral spacing less than about 0.2L between vessel and bank, it can be concluded that the bank effects increase largely as the lateral spacing between vessel and bank decreases. However, for spacing between vessel and bank more than about 0.3L, the interaction effects increase slowly as lateral spacing decreases. Also, for the water depth to draft ratio(h/d) less than about 1.5, the hydrodynamic interaction effects increase dramatically as h/d decreases.

The Effects of Parenting Behavior and Peer Interaction on Preschoolers' Externalizing Problem Behaviors (부모의 온정적 양육행동과 또래 상호작용이 유아의 외현화 문제행동에 미치는 영향)

  • Woo, Su Jung
    • Korean Journal of Childcare and Education
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    • v.12 no.2
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    • pp.41-55
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    • 2016
  • The purpose of this study was to examine the effects of parenting behavior and peer interaction on externalizing problem behaviors of preschoolers. The data of 953 49~55 month old preschoolers and their parents were extracted from the Korean Children Panel Survey of Child-Care Policy Research Institute(2012). This study was conducted with Structural Equation Modeling(SEM). The results of this study were as follows. First, parenting behavior had a direct influence on externalizing problem behaviors of preschoolers. Second, parenting behavior had a direct influence on preschoolers' peer interaction. Third, preschoolers' peer interaction had a direct influence on externalizing problem behaviors of preschoolers. Fourth, preschoolers' peer interaction had mediating effects on the relationship between parenting behavior and externalizing problem behaviors of preschoolers.

Interaction Effects on Global Supply Chain Management and Information Technology of MNCs in East-Asia Countries (동북아시아 국가 다국적기업의 글로벌공급사슬관리의 동인과 정보기술과의 상호작용 효과에 관한 비교연구)

  • Kim, Seog-Soo
    • Journal of the Korean Society for Railway
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    • v.9 no.6 s.37
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    • pp.664-670
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    • 2006
  • This Research aims to analyze the effects of SCM management capabilities and IT capabilities on firm performance. The strategic performance was shown to be positively and significantly affected by flexibility and responsiveness which were proxies for SCM management capabilities. However, neither main effect of IT capability nor interaction effects of IT capability and SCM management capability on firm performance was found.

Impact of Interaction in the Brand Community through UCC on Scrap Intention and Community Loyalty (브랜드 커뮤니티에서의 UCC를 통한 상호작용이 펌 행위 의도와 커뮤니티 방문충성도에 미치는 영향)

  • Lee, Jong-Ho;Ock, Jung-Won;Oh, Chang-Ho;Yun, Dae-Hong
    • The Journal of the Korea Contents Association
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    • v.8 no.10
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    • pp.114-128
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    • 2008
  • This study aims to explore the effects of interaction through UCC at online brand communication on scrap intention and visiting loyalty. According to study results, first, only information feature has positive effects on all interactions among quality feature of brand community; Second, confidence and responsiveness feature of brand community has positive effects on the connection feature among elements of interaction; Third, certainty has positive effects on activeness and connection among interaction elements. Fifth, while intention of sharing has positive effects on activeness and connection among interaction elements, it has no effects on the responsiveness. Finally, interaction does not affect the responsiveness of scrap intension, but has positive effects on visiting loyalty.

The Effects of Interaction with an Object and with an Adult on Young Children's Cognitive Level (도구 및 성인과의 상호작용이 유아의 인지수준에 미치는 효과)

  • Lee, Soeun;Song, Ji-Young
    • Korean Journal of Child Studies
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    • v.23 no.1
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    • pp.71-85
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    • 2002
  • This study examined the effects of different interaction styles, that is, interaction with an object and interaction with an adult, on young children's cognitive level. Subjects were 150 5-year-old children. The task required children to predict the working of a mathematical balance beam. Seven cognitive levels were identified based on the logic of prediction. Data were analyzed by t-test, F-test, Duncan Test and Wilcoxon Matched-Pairs Test. Results showed that both interaction styles caused improvement in children's cognitive level, but when interaction with an adult was divided into two categories, i.e., interaction with the higher group and interaction with the lower group, the latter experienced decline in cognitive level. Regardless of sex, interactions within the Zone of Proximal Development and with the object were found to be effective methods for children's cognitive improvement.

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