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Exploring the Causal Structure of Adolescent Media Addiction and Policy Intervention
황인영,박정훈 한국콘텐츠학회 2016 International Journal of Contents Vol.12 No.4
Adolescent media addiction has emerged as an important social agenda in Korea. However, there has not been enough discussion on the causal structure of media addiction and policy interventions. The objective of this study is to identify and assess the mechanism of the existing and the revised Shutdown policy based on the systems thinking approach. To achieve this purpose, we establish the relationship between media usage, flow, and addiction, and develop a causal loop diagram. Based on the causal loop diagram, we explore the causal structure of two policy scenarios: shutdown policy and deregulation. Our study suggests that policy interventions inducing direct parental control on children’s media usage time are ineffective since the time control reduces children’s autonomy, which helps alleviate media addiction. Therefore, this study suggests that policy intervention should focus on alleviating addiction itself rather than on controlling media usage time.
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황인영 한국행정학회 2013 한국행정학회 학술발표논문집 Vol.2013 No.-
콘텐츠의 중요성은 점점 강조되고 있지만 실질적으로 어떻게 건강하고 지속가능한 콘텐츠 생태계를 조성할 수 있는지에 대한 구체적인 논의와 정책대안은 부족하다. 기존의 IT생태계 논의는 문화예술을 핵심으로 하는 콘텐츠생태계와 다소 거리가 있다. 따라서 창조경제시대의 콘텐츠산업 정책은 콘텐츠산업 생태계가 건강하고 지속가능하기 위한 핵심적 요건으로서 창작여건 및 유통환경의 개선에 초점을 둘 필요가 있다. 본 연구는 한국의 콘텐츠산업 발전방안을 도출하기 위해 SWOT 분석을 하고 콘텐츠산업 전반과 개별 콘텐츠산업에서 창작 및 유통환경을 살펴보려 한다. 이를 통해 국제적으로 경쟁력 있는 중소 콘텐츠기업들이 성장할 수 있는 조건과 진입이 자유로우며 공정하게 경쟁할 수 있는 환경을 조성하는 정책들과 각 콘텐츠별 특성이 반영된 세분화된 정책방안을 모색하고자 한다.
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황인영,박정훈 한국시스템다이내믹스학회 2019 한국시스템다이내믹스 연구 Vol.20 No.3
The purpose of this study is 1) to explore the cyclical causal relationship among safety culture principles in nuclear power plant organization and 2) to analyze the effects of determinants of safety culture compliance. This study conducted a survey to identify stock variables and developed a stock-flow diagram (SFD) based on eight safety principles. After that, a simulation was conducted using the SFD. The results indicate that an approach that expanding workers' understandings of duties and responsibilities regarding the safety culture is most effective in improving safety culture compliance.
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The use of subordination in Korean EFL student writing
황인영 한국응용언어학회 2010 응용 언어학 Vol.26 No.1
Learning context has been recognized as a significant factor for learning a language in the field of second language acquisition and ‘study-abroad’ context is a new environment from ESL or EFL settings. Even though many Korean EFL college students have study-abroad experiences, research into improvement in study-abroad students’ competence, especially writing competence, is rare. This study examined argumentative writings of Korean EFL college students who had studied abroad for two semesters as visiting or exchange student and compared them with those of students who stayed in Korea. The written texts of the students were analyzed, focusing on the use of subordinate clauses since subordination indicates syntactic maturity and complexity of a text. The results of the analysis of subordination demonstrated that the two groups showed no statistically significant differences, except for the reduced adverb clauses. Since the study-abroad group did not show a better command of using subordinate clauses in their academic writings, it can be assumed that the experience abroad did not necessarily benefit students in their grammatical competence in writing. This result implies that for a better syntactic complexity in Korean EFL college students’ writings, more explicit instruction on subordination is needed, regardless of study-abroad experience.
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IPTV와 디지털 케이블 TV 간의 융합과 대체성 강화에 따른 가입자 변동
황인영,박정훈 한국정보화진흥원 2015 정보화정책 Vol.22 No.2
Due to rapid convergence trends in the digital pay TV market, differentiation among the competing medias decreases and substitutability is increasing. The current study aims to explain the effect of service substitutability among competing media on the size of domestic digital pay TV subscribers. For the analysis, the Lotka-Volterra model, an ecological competitive diffusion model, was used to obtain the basic model for a simulation study. A simulation was performed by adjusting independent variables of substitutability to estimate the size of subscriber for particular media. The relationship between the digital cable TV and the IPTV is identified as a predator-prey relationship and the digital cable TV is found to be superior to the IPTV. The simulation results showed that the increase of convergence and substitutability result in the decrease of the entire media market. Especially, the IPTV is estimated to face the greatest loss in this context. 급속한 융합 현상에 의해 미디어 간 차별성이 줄어들고 대체성이 증가하고 있다. 본 연구는 융합에 따른 경쟁 미디어 간의 대체성 변화가 가입자에 어떠한 영향을 미치는지를 국내 디지털 유료방송 시장을 통해 알아본다. 분석을 위해 경쟁 미디어인 IPTV와 디지털 케이블 TV의 가입자 시계열 자료를 수리생태학의 경쟁 확산 모형인 Lotka-Volterra 모형에 적용하여 시뮬레이션을 위한 기초 모형을 구축하였다. 이후 대체성과 관련된 독립변수를 조절하며 미디어별 가입자 수를 추정하는 시뮬레이션을 진행하였다. 분석 결과 디지털 케이블 TV와 IPTV는 포식자-피식자 관계로 디지털 케이블 TV가 상대적 우위에 있는 대체 관계로 나타났다. 시뮬레이션 결과 융합에 의해 대체성이 증가하면 시장규모가 축소되어 두 미디어 모두 손실을 볼 것으로 나타났다. 특히 후발주자이며 뉴미디어인 IPTV가 가장 큰 손실을 볼 것으로 추정된다. 반대로 경쟁 미디어간의 차별화 전략에 의해 대체성이 감소하면 시장규모가 확대되어 경쟁 미디어 모두가 윈윈하며, IPTV가 가장 큰 혜택을 볼 것으로 추정된다.
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The Substitution Effect of Teenagers’ Smart Phone Use on Traditional Media Use
황인영,박정훈 서울대학교행정대학원 2016 The Korean Journal of Policy Studies Vol.31 No.3
This study explores whether teenagers’ traditional media use timehas been affected by smartphone use time. Drawing on the Korean Media PanelSurvey from 2011 to 2014, we specify two models—a two-stage least squares(2SLS) and a two-stage least squares with individual fixed effects (2SLS-FE)—and compare the estimates. The estimates from the 2SLS model show thatteenagers’ smartphone use time has a substitution effect on book reading time,computer use time, and TV watching time, while the estimates from the 2SLSFEmodel show that teenagers’ smartphone use time has a substitution effect onteenagers’ book reading time and computer use time but no significant effect ontheir TV watching time.
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