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국가간 이동착신접속료 차이의 영향 요인 도출에 관한 연구
조은진(Eun-jin Cho),박명철(Myeong-Cheol Park),변재호(Jae-ho Byun),허태영(Tae-Young Heo) 한국통신학회 2009 한국통신학회논문지 Vol.34 No.10B
이동통신시장은 초기부터 경쟁을 도입하여 급격히 성장하였으며 통신시장에서 가장 큰 비중을 차지하는 시장으로 등장하였다. 그러나 이동사업자들은 착신망에서의 독점력을 이용하여 비용보다 높은 이동착신접속료를 부과함으로 초과 수익을 달성하게 되었고, 이는 시장의 경쟁 왜곡을 초래하고 소비자 효용을 축소시키는 문제를 야기하게 되었다. 이동착신접속료 규제는 이동통신시장의 핵심 과제로 EU와 호주, 미국 등 대부분의 국가에서 규제하고 있다. 각 국의 이동착신접속료 조사결과 접속료 격차가 매우 큰 것으로 나타났다. 본 논문에서는 28개국 자료를 이용하여 이동착신접속료 결정에 영향을 주는 주요 요인을 밝히기 위하여 국가환경, 시장환경, 규제환경 변수들을 고려한 실증분석을 실시하였다. 실증 연구 결과 이동착신접속료는 규제환경변수인 선불가입자비율과 규제기간에 의해서만 영향을 받는 것으로 나타났다. Due to liberalization in the early stage, mobile communications market has grown rapidly in the world. However, some dominant operators set higher termination call charges, and thus the market has been distorted and customer welfare has been reduced a lot. The regulation of mobile termination charges is one of key issues of most regulatory agencies in the world. According to the survey, the level of mobile termination charges are quite different from country to country. Why is it so different? This paper investigated the determinants affecting the mobile termination charges for 28 countries by considering country-specific, industry-specific, and regulatory-specific conditions. We found that some regulatory-specific conditions are the most important factors. The rate of pre-paid contract and period of regulation mostly affect the mobile termination charges.
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조은진(Eun Jin Cho),이신동(Shin Dong Lee),이상희(Sang Hee Lee),김진호(Jin Ho Kim) 한국영재교육학회 2024 영재와 영재교육 Vol.23 No.1
본 연구는 국내 아동을 대상으로 실시한 유동추론 훈련의 효과성을 검증하는 것을 목적으로 하였다. 이를 위해 2000년부터 2023년까지 검색된 논문 중 PRISMA에 의해 총 14편의 논문을 분석자료로 선정하고, 이들로부터 81개의 효과크기를 추출하여 메타분석을 실시하였다. 또한 훈련 효과의 이질성이 높은 원인을 파악하기 위하여 하위그룹에 대한 메타 ANOVA 분석을 추가 시행하였다. 연구 결과는 첫째, 추론 훈련의 전체 효과크기는 0.76으로 중간 효과크기를 보였다. 둘째, 훈련 내용에 따른 분석 결과, 언어 영역은 0.74로 중간 효과크기, 시공간 영역은 0.80로 높은 효과크기를 보였으나 훈련 내용에 따른 유의한 통계적 차이는 나타나지 않았다. 셋째, 훈련 대상자의 학업성취수준에 따른 분석 결과, 학업성취 중, 하 수준의 아동에 대한 훈련 효과가 크게 나타나는 것으로 확인되었다. 넷째, 훈련 대상자의 인지적 특성별로 분석한 결과, 장애 아동에게 훈련 효과가 가장 크게 나타났으며, 영재아동과 일반아동에게 중간크기에서 높은 수준의 효과크기가 나타났음을 확인할 수 있었다. 마지막으로 훈련 대상자의 연령(학년)에 따른 조절효과 분석 결과, 미취학아동에게 가장 큰 훈련 효과가 나타났다. 본 연구는 유동추론 훈련의 효과를 통계적 및 객관적으로 분석한 연구라는 점에서 의미를 가지며 향후 효과적인 유동추론 훈련 프로그램 및 학습자료 개발을 위한 적절한 근거자료가 될 것으로 기대할 수 있다. The purpose of this study was to verify the effectiveness of fluid reasoning training conducted for domestic children. To this end, a total of 14 papers were selected by PRISMA among the papers searched from 2000 to 2023, and meta-analysis was conducted by extracting 81 effect sizes from them. In addition, meta-ANOVA analysis of subgroups was additionally performed to identify the causes of high heterogeneity in training effects. As a result of the study, first, the overall effect size of the fluid reasoning training was 0.76, showing a medium effect size. Second, as a result of the analysis according to the training content, the language area showed a medium effect size of 0.74, and the visual-spatial area showed a high effect size of 0.80, but there was no significant statistical difference according to the training content. Third, the analysis according to the level of academic achievement of the training subject showed that the training effect for children at the middle and lower levels of academic achievement was significant. Fourth, as a result of analyzing the cognitive characteristics of the training subjects, it was confirmed that the training effect was the greatest for children with disabilities, and that the effect size of medium to high training was found in gifted children and general children. Finally, as a result of analyzing the moderating effect according to the age(grade) of the training subject, the greatest training effect was found for preschoolers. This study is meaningful in that it is a statistical and objective analysis of the effectiveness of fluid reasoning training, and can be expected to serve as an appropriate basis for the development of effective fluid reasoning training programs and learning materials in the future.
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유아 도덕교육에 관한 연구동향 분석 : 연구내용을 중심으로
조은진(Cho, Eun-Jin) 학습자중심교과교육학회 2022 학습자중심교과교육연구 Vol.22 No.4
목적 본 연구는 유아 도덕교육에 관한 연구동향을 분석하고 앞으로의 방향 설정에 기여하기 위한 목적으로 수행되었다. 연구내용의 전반적인 분석과 아울러 연구의 근간이 되는 이론적 경향을 알아보는 데 초점을 두었다. 방법 본 연구는 국내에서 발표된 유아 도덕교육 관련 학술지논문 및 학위논문을 분석하고 해석하는 문헌연구이다. 전반적인 연구내용을 비롯하여 연구에 사용된 이론적 접근법 및 도덕성 구성요소 등을 중심으로 총 221편의 연구(학술지논문 75편, 석·박사논문 146편)를 분석하고 빈도와 백분율을 구하였다. 결과 유아 도덕교육 분야의 연구는 1990년 이후 크게 증가하였다. 분석된 221개의 연구 중 기초연구가 25.4%, 응용연구가 74.6%로 나타났고 응용연구는 주로 관련변인 탐색과 프로그램 개발 연구에 집중되어 있었다. 응용연구의 기반이 되는 이론은 인지발달론적 접근법이 압도적으로 많았고(56.9%), 그 다음으로 포괄적 접근법(19.3%), 전통적 접근법(17.5%), 배려지향적 접근법(6.3%) 순이었다. 또한 도덕성의 구성요소들(인지, 정서, 행동)을 함께 고려하기보다는 ‘도덕적 인지’ 한 요소만을 다루는 연구가 절반에 이르는(49.4%) 결과를 나타냈다. 결론 유아 도덕교육 분야의 연구내용(이론적 접근법과 도덕성 구성요소 포함)은 편향성에서 벗어나 균형을 이루고 다양화되어야 한다. 국내 유아 도덕교육 연구의 균형적 발전과 다양화를 위해 논의하고 제언하였다. Objectives This study was aimed at analyzing the overall research trends on early childhood moral education focusing on research contents. It was also intended to analyze the theoretical trends underlying the study of early childhood moral education. Methods This study is a literature study that analyzes and interprets academic articles and theses related to early childhood moral education published in Korea. A total of 221 studies(75 academic articles, 146 master’s and doctoral theses) were analyzed, focusing on overall research contents, theoretical foundations, and moral components. The frequency and percentage were obtained in the data analysis. Results Research in this field has increased markedly after 1990. Among the 221 studies analyzed, 25.4% were basic studies and 74.6% were applied studies. The applied studies focused largely on relative variables and program development. The theory underlying applied research was predominantly the cognitive developmental approach(56.9%). It was followed by the comprehensive approach(19.3%), the traditional approach(17.5%), and the care-based approach(6.3%). The moral components(cognitive, emotional, and behavior) used in applied research were biased towards moral cognition(49.4%). Conclusions Research contents(including theoretical foundations and moral components) in this field should be balanced and diversified for modern early childhood moral education in Korea. Future research considerations were discussed.
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조은진(Eun-Jin Cho),이재은(Jae-Eun Lee) 한국아동학회 2019 아동학회지 Vol.40 No.1
Objectives: Prosocial behavior has received considerable attention because of the impact that such behavior has on social relationships and individuals’ quality of life. This study analyzed the research trends on young children’s prosocial behavior in Korea to propose future research considerations. Methods: We analyzed 311 studies published in Korean academic journals, focusing on research contents and research methods. The frequency and percentage were computed in the data analysis. Results: Concerning the research contents, applied research has increased markedly after 1995. Among the 311 studies analyzed, 296 were applied studies (95.18%) and 15 were basic studies (4.82%). The applied research focused largely on program development (179 studies, 57.56%) and related variables (116 studies, 37.30%). The study methods employed for researching young children’s prosocial behavior have been inclined to be quantitative (283 studies, 91.0%), rather than qualitative studies or document-based researches. The most frequently used data collection method was the test method. Concerning the types of research instruments, prior research instruments were used primarily, and few instruments were devised by the researchers involved. Conclusions: These results suggest that conducting research in this field should be systematic and balanced. There should be in-depth basic research which includes theoretical investigations to determine the principles and directions needed for promoting young children’s prosocial behavior. Research methods should also be diversified.
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조은진(Eun-Jin Cho),한지수(Ji-Soo Han) 한국인체미용예술학회 2019 한국인체미용예술학회지 Vol.20 No.2
Recently, the types of cosmetic and spectrum of beauty channel have been diversified while a variety of beauty knowledge, cosmetic texture and colors have been introduced and launched. In addition, the Cosmetic Act was announced for revision, especially regarding ‘Regulations governing the customized cosmetics’ in 2016. Since then, a variety of customized cosmetics that reflect customer requirements have been launched and grown. Moreover, consumer preferences and needs at the point of purchase of customized cosmetics as well as their satisfaction with released products were thoroughly investigated for reflection in new product development. However, there is a lack of research on actual conditions and the analysis of customer satisfaction in customized color cosmetics. Thus, it’s necessary to determine the actual conditions of whether color cosmetics have been developed according to customer needs. Therefore, the purpose of this study was to analyze awareness of customized color cosmetics and purchasing mentality in S. Korea and suggest directions for the customized color cosmetics market in Korea through a survey on customized color cosmetics and specialized services. This study is significant in that it helps to determine an improvement plan for existing customized color cosmetics of companies and helps to establish a development strategy for new product, based upon research findings.
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