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추상엽(Choo Sang-Yup),임성문(Lim Sung-Moon) 한국청소년정책연구원 2008 한국청소년연구 Vol.19 No.4
본 연구는 실패공포가 고등학생의 학업적 지연행동에 영향을 미치는 과정에, 회피목표가 1차 매개 변인이고 인지적 의지통제가 2차 매개변인인 경로모형(실패공포→회피목표→인지적 의지통제→학업적 지연행동)을 설정하고 이를 검증하고자 하였다. 나아가 이 모형의 회피목표가 인지적 의지통제에 미치는 경로에서 부모의 심리적 통제와 부모의 성취압력의 조절효과를 확인하고자 하였다. 이를 위해 서울, 충북, 충남에 소재한 6개 고교에서 설문조사한 후 683명의 자료를 사용하여 구조방정식모형으로 매개와 조절효과를 검증하였다. 연구 결과 첫째, 본 연구에서 설정한 경로모형은 관찰된 자료와 잘 부합하는 것으로 나타났다. 이는 실패공포가 학업적 지연행동에 곧바로 부적인 영향을 미치는 것이라기보다, 실패공포가 높을수록 회피목표가 증가하게 되고, 증가된 회피목표는 인지적 의지통제를 감소하게 하고, 감소된 인지적 의지통제는 학업적 지연행동을 증가시키게 됨을 보여주는 것이다. 둘째, 본 연구모형에서 부모의 심리적 통제와 부모의 성취압력은 자녀의 회피목표가 인지적 의지통제에 미치는 경로에서 조절효과를 나타냈다. 결과적으로 본 연구는 고등학생의 만성적 학업적 지연행동을 감소시키기 위해서는 직접적으로 실패공포를 다루는 개입뿐만 아니라, 높은 수준의 회피목표를 낮추어가되 부모의 성취압력과 심리적 통제를 고려하는 개입 및 부족한 인지적 의지통제를 증진시키는 개입이 병행되어야 함을 시사한다. The purpose of this study was to test a pass model in which fear of failure affects avoidance goals. Avoidance goals, in turn seem to affect the orientation of cognitive volition control, and this has an effect on high school students' academic procrastination. Furthermore, whether parental psychological control and achievement pressure have any moderating effects in the pathway from the avoidance goal to cognitive volition control on our pass model were also investigated. Data were collected from 683 students in six high schools. For the analyses of the mediating effects and moderating effects, structural equation modelingwas used. The results were as follows. First, the pass model was identified to fit the observed data. This means that avoidance goals increased as fear of failure rises, the increased levels of avoidance goals decreasedcognitive volition control, and the decreased levels of cognitive volition control increase the levels of academic procrastination. Second, parental psychological control and parental achievement pressure moderated the relation between avoidance goals and cognitive volition control on our model. These results suggest that interventions which deal with avoidance goalsand cognitive volition control are needed, in order to reduce high school students' academic procrastination caused by the fear of failure. These imply, additionally, that when counselors try to reduce the high levels of avoidance goals, they should consider the levels of parental achievement pressure and psychological control at work as influences.
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추흥엽 東國專門大學 1996 金龜論叢 Vol.3 No.1
시장환경의 변화에 능동적으로 대응하기 위하여 새로운 기술의 획득이 기업운영에 중요한 문제로 대두되고 있다. 총 제조비용에서 노무비가 차지하는 비중의 증가와 정보화기술의 발전 등으로 인하여, 자동화기술의 중요성에 대하여 많은 논의가 이루어져 왔으며, 실제적으로 자동화의 진전도 괄목할만한 수준으로 발전해 왔다. 그러나 근자에 나타나고 있는 수요패턴의 변화는 단순자동화를 통한 대량생산에서 가능하였던 규모의 경제 개념에 대한 새로운 사고를 요하게 되었다. 특히, 보다 다양한 제품을 신속하게 생산할 수 있는 제조유연성의 제고를 요구하게 되었으며, 이는 전통적인 관점에서 본다면 비용을 급격히 증가시키는 요인으로서 작용하게 되었다. 따라서 이러한 요구에 부응하면서도 제조원가를 줄이기 위한 방법의 도입에 관심을 기울이게 되었으며, 따라서 FMS CIM 등의 정보기술을 활용한 새로운 생산기법이 나타나게 되었다. 이는 또한 국제시장에서 나타나고 있는 변화에 대응하기 위한 핵심적인 열쇠로서 고려되고 있다. 이러한 관점에서 본 연구에서는 규모의 경제원리와 범위의 경제원리를 고찰함으로써, 새로운 제조요구를 충족시킬 수 있는 통합의 경제원리의 타당성을 고찰하였으며, 이러한 통합의 경제원리를 이용한 생산전략의 가능성을 제시하였다. 즉, 생산전략에 있어서 가장 중요한 네 가지 측면인 비용과 납기 유연성 및 품질간의 상충관계를 제거함으로써 효과적인 생산활동이 이루어 질 수 있음을 제시하였다. 결국, 규모의 경제와 범위의 경제를 동시에 실현시킬 수 있는 생산전략, 즉 통합의 경제원리라는 시너지를 창출할 수 있는 기업들은 전략적 우위를 실현할 수 있을 것이다.
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Choo Oak-Sung,Kim Hantai,Lee Seung Jae,Kim So Young,Lee Kyu-Yup,Lee Ho Yun,Moon In Seok,Seo Jae-Hyun,Rah Yoon Chan,Song Jae-Jun,Nam Eui-Cheol,Park Shi Nae,Song Jae-Jin,Shim Hyun Joon 대한의학회 2024 Journal of Korean medical science Vol.39 No.5
Background: Tinnitus is a bothersome condition associated with various symptoms. However, the mechanisms of tinnitus are still uncertain, and a standardized assessment of the diagnostic criteria for tinnitus is required. We aimed to reach a consensus on diagnosing tinnitus with professional experts by conducting a Delphi study with systematic review of the literature. Methods: Twenty-six experts in managing tinnitus in Korea were recruited, and a two-round modified Delphi study was performed online. The experts evaluated the level of agreement of potential criteria for tinnitus using a scale of 1–9. After the survey, a consensus meeting was held to establish agreement on the results obtained from the Delphi process. Consensus was defined when over 70% of the participants scored 7–9 (agreement) and fewer than 15% scored 1–3 (disagreement). To analyze the responses of the Delphi survey, the content validity ratio and Kendall’s coefficient of concordance were evaluated. Results: Consensus was reached for 22 of the 38 statements. For the definition of tinnitus, 10 out of 17 statements reached consensus, with three statements achieving complete agreement including; 1) Tinnitus is a conscious perception of an auditory sensation in the absence of a corresponding external stimulus, 2) Tinnitus can affect one’s quality of life, and 3) Tinnitus can be associated with hearing disorders including sensorineural hearing loss, vestibular schwannoma, Meniere’s disease, otosclerosis, and others. For the classification of tinnitus, 11 out of 18 statements reached consensus. The participants highly agreed with statements such as; 1) Vascular origin is expected in pulse-synchronous tinnitus, and 2) Tinnitus can be divided into acute or chronic tinnitus. Among three statements on the diagnostic tests for tinnitus only Statement 3, “There are no reliable biomarkers for sensory or emotional factors of tinnitus.” reached consensus. All participants agreed to perform pure-tone audiometry and tinnitus questionnaires, including the Tinnitus Handicap Inventory and Tinnitus Questionnaire. Conclusion: We used a modified Delphi method to establish a consensus-based definition, a classification, and diagnostic tests for tinnitus. The expert panel reached agreement for several statements, with a high level of consensus. This may provide practical information for clinicians in managing tinnitus.
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On Windowed Fourier Transforms and Wavelet Transforms
Choo, Kyu-Ho,Cho, Byung-Yup,Lee, Jung-Oh,Park, Byung-Jun 조선대학교 기초과학연구소 2000 自然科學硏究 Vol.23 No.1
Fourier series are ideal for analyzing periodic signals, since the harmonic models used in the expansions are themselves periodic. By contrast, the Fourier integral transform is a far less natural tool because it uses periodic functions to expand non-periodic signals. Two possible substitute are the Windowed Fourier Transforms(WFT) and the wavelet transform. In recent years, there has been growing interest in wavelet transform for Fourier analysis. Wilson, Calway and Pearson〔7〕generalized wavelet transform for Fourier series. Stark 〔6〕studied a generalization to the continuous wavelet transform and continuous multiscale analysis. Also, Cambanis and Houdre〔1〕and Tian Xiao He〔3〕have studied the continuous wavelet transform and Fourier transform, too. The purpose of this paper is to give a brief account of Fourier transform and wavelet transform to see the relation between windowed Fourier transform and continuous wavelet transform in Theorem 2.5 and Theorem 3.3 respectively.
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화물자동차운송의 과적 차량 단속 체계 개선방안에 관한 연구
추창엽,한백수 한국물류학회 2000 물류학회지 Vol.10 No.1
The best way to eradicate the operation of overloaded vehicles is that those related to cargo transport should abide by prescribed regulations, but if they are not observed well, road managers have responsibilities and duties to preserve the road facilities constructed by the taxes of the people from a handful groups pursuing illegal profits by restricting illegal operation and imposing punishments. According to rapid economic growth since 1970s. our country has deeply recognized adverse effects of operation of overloaded vehicles starting with the activation of cargo distribution, each road manager has cracked down operation restricted vehicles, but they has not reached such extent as completely eliminate the operation of overloaded vehicles by the lack of crackdown personnel and facilities. This article aimed at draw out the problems in the existing crackdown system and presenting the reform plans to bring forth the countermeasures to eradicate the operation of overloaded vehicles in the national road.
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Typology of Internet gaming disorder and its clinical implications
Lee, Seung‐,Yup,Lee, Hae Kook,Choo, Hyekyung FOLIA PUBLISHING SOCIETY 2017 PSYCHIATRY AND CLINICAL NEUROSCIENCES Vol.71 No.7
<P>Various perspectives exist regarding Internet gaming disorder. While the concept of behavioral addiction is gaining recognition, some view the phenomenon as merely excessive indulgence in online pastimes. Still, in recent years, complaints from patients or their family members about problems related to Internet use, particularly Internet gaming, have become more common. However, the clinical picture of Internet gaming disorder could be obscured by its heterogeneous manifestations with other intertwined factors, such as psychiatric comorbidities, neurodevelopmental factors, sociocultural factors, and game-related factors, which may influence the pathogenesis as well as the clinical course. To mitigate such problems, clinicians should be able to consider diverse aspects related to Internet gaming disorder. Classifying such a heterogeneous problem into subtypes that share a similar etiology or phenomenology may provide additional clues in the diagnostic process and allow us to designate available clinical resources for particularly vulnerable factors. In this review paper, we suggest a typology of 'impulsive/aggressive,' 'emotionally vulnerable,' 'socially conditioned,' and 'not otherwise specified' as subtypes of the heterogeneous phenomena of pathological Internet gaming. The implications of these subtypes for assessment and treatment planning will also be highlighted.</P>
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