• Journal of the Korean Academy of Child and Adolescent Psychiatry
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• 제25권4호
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• pp.217-223
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• 2014

Objectives : This study was conducted in order to investigate the influence of sexual trauma on the psychopathology and quality of life of children and adolescents in Korea. Methods : Twenty-seven children and adolescents and their caretakers who visited the Kangwon Sunflower Center participated in a cross-sectional study. Participants completed the Korean version of Kiddie-Schedule for Affective Disorders and Schizophrenia-Present and Lifetime Version, Child Behavior Checklist (CBCL), and Child Health Questionnaire-Parent Form-50 (CHQ-PF-50). Their scores were compared with those of a age and sex-matched control group of 27 healthy children and adolescents. Results : Victims of sexual violence showed higher t score in Withdrawn, Social problems, Delinquent behavior, Externalizing problems, and Total problems in CBCL, compared with control group. In CHQ-PF-50, there were lower scores on Bodily pain/discomfort, Behavior, Mental health, Time impact in parents, and Family activities subscales in victims of sexual violence. While Behavior and Family activities subscale showed negative correlations with Delinquent behavior, Externalizing problems, and Total problems in CBCL. Mental health subscale showed negative correlations with Social problems, Delinquent behavior, Externalizing problems, and Total problems. In addition, Time impact on parent subscale showed a negative association with Delinquent behavior in CBCL. Conclusion : The current study provided evidence suggesting that victims of sexual violence had a higher level of psychopathology and lower level of quality of life.

• Journal of Korea Trade
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• 제25권1호
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• pp.1-17
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• 2021

Purpose - The global trend of protectionism has expanded since the onset of US President Donald Trump's administration in 2017. This global phenomenon has led to a significant reduction in world trade volume and a negative impact on economic development in some countries where the external sector accounts for a large proportion of GDP. Although Korea is a country vulnerable to this deteriorating trade environment, few studies have examined the relationship between protectionism and its business cycles based on Korean data. Thus, this paper investigates the impact of protectionism on Korea's business cycle. Design/methodology - To identify future implications, we conduct a structural vector autoregression (VAR) analysis using monthly Korean data from 1994 to 2015. Macroeconomic variables in the model include the industrial production index, inflation rates, exports (or net exports), interest rates, and exchange rates. For the identification of the shock reflecting the expansion of protectionism, we use an antidumping investigation (ADI) data. Since ADIs are followed generally by the imposition of antidumping tariffs, they have no contemporaneous impact on tariffs and are also contemporaneously exogenous to other endogenous variables in the VAR model. We examine two kinds of ADI shocks i) shocks on Korean exports imposed by Korea's trading partners (ADI-imposed shocks) and ii) shocks on imports imposed by the Korean government (ADI-imposing shocks). Findings - We find that Korea's exports decline sharply due to ADI-imposed shocks; the lowest point at the third month after the initial shock; and do not recover until 24 months later. Simultaneously, the inflation rate decreases. Therefore, the ADI-imposed shock can be regarded as a negative shock on the demand curve where both production and price decrease. In contrast, the ADI-imposing shock generates a different response. The net exports decline, but the inflation rate increases. These can be seen as standard responses with respect to the negative shock on the supply curve. Originality/value - We shed light on the relationship between protectionism and Korea's economic fluctuations, which is rarely addressed in previous studies. We also consider the effects of both protective policy measures on imports to Korea imposed by the Korean government and on policy measures imposed by Korea's trading partner countries on its exports.

• 국제지역연구
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• 제14권3호
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• pp.339-362
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• 2010

본 연구는 1986년부터 2008년까지 해외기업을 인수한 284개 한국의 상장기업들을 대상으로 인수기업의 피인수기업에 대한 통제수준이 국제 인수합병(M&A) 성과에 미치는 영향에 대하여 실증 분석하였다. 본 연구의 분석결과, 인수기업의 피인수기업에 대한 통제수준이 국제 인수합병 성과와 음(-)의 관계가 있음을 보여주었다. 또한 피인수기업에 대한 통제수준과 문화적 거리의 상호작용은 국제 인수합병 성과와 음(-)의 관계가 있으며, 피인수기업에 대한 통제수준과 관련형 인수의 상호작용도 국제 인수합병 성과와 음(-)의 관계가 있는 것으로 나타났다. 즉, 본 연구는 문화적 거리가 클수록 또는 관련형 인수일수록 피인수기업에 대한 통제수준은 국제 인수합병 성과에 더욱 부정적인 영향을 주는 것을 보여주었다. 이러한 결과는 국제 인수합병 성과의 결정요인으로서 피인수기업에 대한 통제수준의 역할에 대한 이해를 높이는 것은 물론, 문화적 거리 및 관련형 인수와 국제 인수합병 성과간의 관계에 대한 설명에 있어서도 피인수기업에 대한 통제수준을 고려함으로써 기존 연구들을 보완해 주고 있다.

• 아동학회지
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• 제37권5호
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• pp.53-64
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• 2016

Objective: This study explored the mediating effects of language development on the influences of young children's media use on positive and negative peer interactions. Methods: The data came from the 2013 Panel Study on Korean Children (N = 1,215) and were analyzed to assess the mediating effects of media use on positive and negative peer interactions, using SEM with the bootstrapping method by means of SPSS 21.0 and AMOS 20.0. Results and Conclusion: The results show that increased media use affects positive and negative peer interactions through language development. This indicates that, while media use does not directly affect positive and negative peer interactions, it appears to increase the difficulty of developing language ability; as the language development worsens, undesirable peer interactions may develop. Thus, language development seems to play an important mediating role between media use and peer interactions. Theoretical and practical implications are discussed.

• 한국정밀공학회:학술대회논문집
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• 한국정밀공학회 2003년도 춘계학술대회 논문집
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• pp.694-697
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• 2003

Materials with specific micro-structural shape can exhibit negative Poisson's ratio. These materials can be widely used in structural applications because of their high resilience and resistance to impact. Specially, in the field of artificial implant's material, they have many potential applications. In this study, we investigated the Poisson's ratio and the ratio(E$_{e}$/E) of the elastic modulus of rotational particle structures based on structural design variables using finite element method. As the ratio of fibril's length to particle's diameter increased and the ratio of fibril's diameter to fibril's length decreased fixing the fibril's angle with 45 degree. the negative Poisson effect of rotational particle structures increased. The ratio of elastic modulus of these structures decreased with Poisson's ratio. The results show the reasonable values as compared with the previous analytical results.s.

• Journal of Communications and Networks
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• 제9권3호
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• pp.236-246
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• 2007

This paper investigates the performance of the transmission control protocol (TCP) transport protocol over IEEE 802.11 infrastructure based wireless networks. A wireless link is generally characterized by high transmission errors, random interference and a varying latency. The erratic packet losses usually lead to a curbing of the flow of segments on the TCP connection and thus limit TCP's performance. This paper examines the impact of the lossy nature of IEEE 802.11 wireless networks on the TCP performance and proposes a scheme to improve the performance of TCP over wireless links. A negative acknowledgment scheme, selective negative acknowledgment (SNACK), is applied on TCP over wireless networks and a series of ns-2 simulations are performed to compare its performance against that of other TCP schemes. The simulation results confirm that SNACK and its proposed enhancement SNACK-S, which incorporates a bandwidth estimation model at the sender, outperform conventional TCP implementations in 802.11 wireless networks.

• International Journal of Advanced Culture Technology
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• 제12권2호
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• pp.180-189
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• 2024

We aimed to see if approach-avoidance visual experience would have different effects in the valence rating of emojis. Previous literature has shown that approach-avoidance tendencies have influences people's emotional perceptions. Up until now, research on emojis have been heavily focused on static emojis, which gives room for exploration whether if movement added on to emoji would elicit different emotional responses. In the study, we examined the impact of approach-avoidance visual experience of emojis via mobile interface, categorized into 4 experimental conditions (positive approach, negative approach, positive avoid, and negative avoid), and conducted semi-structured interviews to identify users' reasonings towards their valence ratings on specific emojis with approach or avoid movements. We found that positive approach emojis were the highest valence rating and preferred by the participants, while there were no differences between negative emoji approach or avoidance. Based on these findings, we conclude that positive emojis could be intensified to be more positive with approach motion, yet for negative emojis, individual differences or contextual differences may arise in its emotional ratings.

• International Journal of Human Ecology
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• 제10권1호
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• pp.75-86
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• 2009

The direct impacts of individual materialism on price perceptions and price perceptions on patronage behavior have been limited in previous research. This study examined the impact of materialism on consumer perceptions of clothing price and the influence that price perceptions have on store patronage by consumers. Using factor analysis and stepwise regression analysis, results indicated that materialistic values revealed four factors (pursuit of happiness, acquisition centrality, success, and practical-consuming). Materialistic four values influence consumer attitudes toward the positive and negative roles of price. In turn, patronage is predicted by positive and negative price-perception. Implications and future research directions are also discussed.

• 대한가정학회지
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• 제31권2호
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• pp.27-40
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• 1993

The purpose of this study is to determine if family violence affects family relationships. To asses these effects, the study was designed to evaluate the impact of wife abuse on marital satisfaction in a system approach of family life management. 184 married wives anonymously completed questionairs that included the following scales : conflict tactics scale, family strengths and marital satisfaction. Results indicted a significant decrease in perceived family strengths and marital satisfaction as husbands used physical violence against wives. these findings provide empirical support for the assumption that violence has a negative impact on family relationships.

• 복식문화연구
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• 제16권5호
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• pp.910-923
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• 2008

This study investigated the difference in the influence of shopping orientations, attributes evaluation, and benefits sought on brand loyalty between Korean and American consumers within a clothing purchase context. Questionnaires were administered to 237 Korean consumers and 184 American college students who had purchase experience of casual wear in recent six months through off-line. The results were as follows. First, the hedonic shopping orientation had a positive impact on brand loyalty in both groups, whereas efficient shopping orientation had a positive impact on brand loyalty in American group. Second, the aesthetic attribute had a positive impact on brand loyalty in both groups, whereas utilitarian attribute had a positive impact on brand loyalty in Korean group. Third, brand value benefit sought had a positive impact on brand loyalty in Korean group and body expression/complement had a positive impact on brand loyalty and economic benefit sought had a negative impact on brand loyalty in American group.