• 한국콘텐츠학회논문지
• /
• 제14권9호
• /
• pp.54-63
• /
• 2014

일반적으로 현장 플랜트는 모든 장치를 인력으로 직접 검사할 수 없을 정도로 매우 크다. 따라서 장치장의 사고를 사전에 방지하기 위한 자동화된 시스템은 필수적이다. 그러나 기존의 감시 시스템에서는 시각화 및 센서 값을 관찰하기 위한 모듈을 각 상황에 맞게 프로그래머가 따로 개발해야하는 단점이 있다. 이러한 문제점을 해결하기 위해 우리는 구성할 시스템을 메타 기술파일로 서술할 수 있는 규칙기반 언어를 정의하고, 이 메타 기술파일로부터 감시시스템이 자동으로 생성되는 새로운 시스템 생성도구를 개발하였다. 이를 통해 관리자는 메타 기술파일을 이용하여 각 현장에 맞는 감시 시스템을 빠르고 즉각적으로 생성할 수 있다. 개발한 생성 도구를 유수탱크 플랜트 설비에 적용해서 다양한 형식의 모니터링 시스템을 생성할 수 있음을 실험에서 보였다.

• Human Ecology Research
• /
• 제55권3호
• /
• pp.289-301
• /
• 2017

This study was to analyze the effects of the career education program for students with disabilities. The analysis was performed based on two research questions. First, the total effect size on the career program for students with disabilities was considered. Second, the difference of the effect size between the sub-groups regarding dependency variables, types of disabilities, types of schools, number of people, and number of sessions was also included for analysis. For this, the author reviewed a database and analyzed 12 previous studies, presented in five master thesis and seven Korean journals from 2005 to 2015 based on the author's selection criteria. Subsequently, 27 effect size was found. The publication bias was analyzed by Rosenthal's fail-safe N. The overall effect size for all studies on the random effect model was 1.717, which was positive and high in value. Given the heterogeneity among the effect size, the subgroup analysis was conducted, and indicated that the effect size was significantly high when the purpose of the program was related to the student's self-decision ability. The results demonstrated that the programs were specified for students with intellectual disabilities, when the schools were elementary, when the number of students in a group was 1-10, and when program sessions lasted more than 21 times, the effect size was high. Implication for the future research and program implication were discussed on these findings.

• Asian Pacific Journal of Cancer Prevention
• /
• 제15권21호
• /
• pp.9259-9264
• /
• 2014

Background: Previous studies concerning the association between the 5,10-methylenetetrahydrofolate reductase (MTHFR) C677T gene polymorphism with lung cancer in Asian populations have provided inconclusive findings. Aim: A meta-analysis was performed to investigate a more reliable association between MTHFR C677T polymorphism and lung cancer in Asians. Materials and Methods: A comprehensive search was conducted to identify all case-control studies of MTHFR polymorphisms and lung cancer in Asia, using odds ratios (ORs) with 95% confidence intervals (CIs) to assess the strength of any association. Results: Meta-analysis results suggested that the MTHFR C677T polymorphism contributed to an increased lung cancer risk in Asian populations (for T vs C: OR=1.11, 95%CI=1.0-1.23; for CT vs CC: OR= 1.1, 95%CI= 0.95-1.2 ; for TT+CT vs CC: OR=1.13, 95%CI=1.0-1.30; for TT vs CC: OR=1.25, 95%CI=1.01-1.30; for TT vs CT+CC: OR=1.16, 95%CI=1.0-1.36). Conclusions: MTHFR C677T polymorphism is significantly associated with lung cancer in Asians.

• 가정과삶의질연구
• /
• 제31권3호
• /
• pp.27-47
• /
• 2013

The purpose of this study was to investigate whether parent education programs conducted in South Korea were effective in changing in parents' behaviors, parents' internal characteristics, and children's characteristics. We retrieved journal articles published in Korea between 2006 and 2011 using keyword searches of electronic databases. A total of 41 studies were included in our meta-analyses. The results showed that parent education programs had large positive effects on parents' behavioral changes and children's changes along with medium to large effects on parents' internal changes. The strengths of effect sizes varied depending upon program characteristics including children's age, the number of participants, participants' gender, the number of sessions, and group characteristics. This study provided powerful scientific evidence for public policies and services that aim to support and empower parents by providing parent education programs.

• 한국의류산업학회지
• /
• 제13권3호
• /
• pp.309-320
• /
• 2011

Since Homeros in Greece, Mimesis was thought to be an art to imitate the nature, and it means an imitation of the nature classically. Mimetic theories were set to be a kind of art work in the era of Renaissance, and the terminology of mimesis was widely used to replace it with an originality in the 15th century. The purpose of this study is to understand the aesthetics of mimesis expressed in media costume design. For this purpose, I investigated the theories of the mimesis, categorized the definition, then applied those categories for media costume design. Documentary studies were conducted through aesthetics, fashion books and demonstrative studies were processed by analyzing photos from collection fashion magazines and media DVD, video, fashion site of internet. In the history of aesthetics, the mimesis could be defined into three categories; the external representation mimesis, the internal symbol mimesis and the multiful meta mimesis. In media costume, the representation mimesis included design historical point of view, a period that of 1900s and ancient representation mimesis. The internal mimesis included symbol of religion, character, riches, psychology and fear mimesis. The multiful meta mimesis included hybrid and distortion mimesis. Analysis on the mimesis expressed in media costume design fashion may provide an excellent method for understanding human aesthetic in costume.

• Journal of Dental Anesthesia and Pain Medicine
• /
• 제21권1호
• /
• pp.15-27
• /
• 2021

This systematic review aimed to qualitatively and quantitatively evaluate the effectiveness of cryotherapy in the reduction of postendodontic pain. The review question was, "What will be the success rate of cryotherapy technique among human patients with postendodontic pain?". The review protocol was framed according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) checklist. Six studies were included in the review, and quantification of five studies was performed through a meta-analysis. In the forest plot representation of the studies comparing the control and cryotherapy groups in terms of the success rate in the management of postendodontic pain, the combined risk ratio (RR) was 0.80 (95% CI: 0.56 to 1.13) with a P value of 0.20. Based on the quantitative analysis, it can be suggested that intracanal cryotherapy does not play a significant role in reducing postendodontic pain.

• Journal of Preventive Medicine and Public Health
• /
• 제31권1호
• /
• pp.91-103
• /
• 1998

성층권의 오존층 파괴로 수반되는 부작용에는 우주의 자외선이 차단되지 않고 지구표면에까지 도달하는 것을 들 수 있다. 이로 인하여 생태계 파괴를 비롯하여 기후이상 및 인체 건강장애 발생의 가능성이 높아진다고 알려져 있다. 특히 자외선 노출로 인한 피부암 발생에 관한 여러 연구결과가 보고 되었으며 이에 대한 종합적이고 신뢰성 있는 재평가 필요성이 대두되었으며 유사한 연구의 국내 수행이 제시되는 때이다. 이에 메타분석이라는 방법을 통하여 신뢰성있는 BAF 값을 추정하여 보고 이 지수를 국내 자료에 적용하여 국내 피부암 발생의 변화 양상을 자외선 증가와 함께 추정하여 보았다. 3개국의 자료를 일원화하여 추정된 UVB 계수는 지수함수 모델에 의해서는 $2.07\times10^{-6}$으로, 멱함수 모델에 의해서는 2.49로 산출되었으며, 이들 모두 통계적으로 유의한 것으로 나타났으며, 이 계수로부터 BAF 값을 추정한 결과, 서울 일부 지역에서의 UVB 조사량이 1% 증가되면, 피부암 발생률은 지수함수 모델에서는 1.90%, 멱함수 모델에서는 2.51%가 증가되는 것으로 산출되었으며, 이 연구에서 적용한 메타분석의 방법으로 제시된 위해도는 비교적 신뢰도가 높을 것으로 추정된다. 현재 우리나라에서의 비흑색종 피부암 발생율이 백만명당 11명이라고 가정할 때, UVB 조사량이 1% 증가됨으로 인해 국내 비흑색종 피부암 발생율은 백만명당 11.1명$\sim$11.3명으로 증가되는 것으로 예측된다. 이렇게 낮은 수준의 위해도에도 불구하고 자외선 노출이 피부암 발생의 원인적 요인이라는 것이 밝혀진 지금, 이에 대한 불필요한 노출을 가능한 삼가고 계속적인 관심을 두어야 할 것이다.

• 자원ㆍ환경경제연구
• /
• 제16권1호
• /
• pp.65-98
• /
• 2007

본 연구의 목적은 국내에서 수행된 습지가치추정 선행연구를 대상으로 메타회귀분석을 실시하여, 습지가치에 영향을 미치는 인자들을 규명하고 정책적 시사점을 도출하며, 국내 자연환경 가치추정 분야에 메타회귀분석의 적용 가능성을 검토하는 데 있다. 메타회귀분석은 기존에 축적되어 있는 연구로부터의 정보를 희귀분석을 사용하여 종합하는 기법으로써, 선행연구에서 관찰되는 가치추정치를 종속변수로 연구의 특성, 예를 들면, 대상지의 특성, 추정기법, 모집단의 인구 사회학적 특성 등을 설명변수로 설정하여 분석한다. 이야기체 문헌검토와 비교할 때 메타회귀분석의 가장 큰 장점은 연구자의 자의적 판단을 피하고 통계적 신뢰성에 기반을 둔 객관적인 결론을 도출할 수 있다는 점이다. 실증분석 결과 우리나라의 경우 단위면적당 습지가치는 어떤 습지기능을 대상으로 하였는지보다는 어떤 가치추정기법을 사용했는지에 따라 더 큰 영향을 받는 것으로 나타났다. 또한 습지면적과 습지가치는 유의한 음의 상관관계를 보임으로써 생태학적 원칙보다는 경제학적 원칙이 적용되고 있음을 확인할 수 있었으며, 이러한 점은 습지보호 및 관리정책에 시사하는 바가 크다. 본 연구의 사례분석을 통해 메타회귀분석은 선행연구 결과를 종합하고 관련정책 수립시 유용한 정보를 제공할 수 있는 분석의 틀로써 충분한 활용 가능성을 갖고 있는 것으로 판단된다. 그러나 본 연구는 메타분석의 활용 가능성뿐만 아니라 한계 및 불확실성의 존재를 확인하는 계기도 되었다. 메타회귀분석의 유효성과 신뢰성을 높이기 위해서는 지속적인 관련연구의 DB 구축, 개별연구의 질 향상을 위한 노력, 추정모델의 개선을 위한 연구 등이 병행해서 이루어져야 할 것으로 생각된다.

• Clinical and Experimental Reproductive Medicine
• /
• 제47권2호
• /
• pp.147-152
• /
• 2020

Objective: The purpose of this study was to determine the effect of vaginal progesterone for luteal phase support (LPS) on the clinical pregnancy rate (CPR) in natural frozen embryo transfer (FET) cycles via a meta-analysis. Methods: We performed a meta-analysis of randomized controlled trials (RCTs) and retrospective studies that met our selection criteria. Four online databases (PubMed, Embase, Medline, and the Cochrane Library) were searched between January 2017 and May 2017. Studies were selected according to predefined inclusion criteria and meta-analyzed using R software version 2.14.2. The main outcome measure was CPR. Results: A total of 18 studies were reviewed and assessed for eligibility. One RCT (n = 435) and three retrospective studies (n = 3,033) met the selection criteria. In a meta-analysis of the selected studies, we found no significant difference in the CPR (odds ratio [OR], 0.96; 95% confidence interval [CI], 0.60-1.55) between the vaginal progesterone and control groups. An analysis of the two retrospective cohort studies that reported the live birth rate (LBR) following FET showed a significantly higher LBR in the vaginal progesterone group (OR, 1.72; 95% CI, 1.21-2.46). A subgroup meta-analysis of FET conducted 5 days after injection of human chorionic gonadotropin showed no significant differences between the two groups with regard to the CPR (OR, 1.18; 95% CI, 0.90-1.55) or miscarriage rate (OR, 0.73; 95% CI, 0.36-1.47). Conclusion: The results of this meta-analysis of the currently available literature suggest that LPS with vaginal progesterone in natural FET cycles does not improve the CPR.

• International Journal of Human Ecology
• /
• 제4권2호
• /
• pp.89-100
• /
• 2003

This paper identifies trends in research methodology due to globalization. Context in both research and in practice and forms the key perspective for modern methodology and theory. Ecological perspectives are a necessary condition for quality global research. Human ecology researchers must advance the role of interdisciplinary and inter-functional perspectives and be open to collaborative relationships. These researchers must work in teams across disciplinary and functional boundaries. The paper discusses directions for research within the context of trends at U.S. federal agencies with applications to globalization and family life. Trends include： (a) use of diverse but rigorous methodologies； (b) recognition of the research-practice-research feedback loop；(c) primacy of context and diverse sampling; and (d) connections of research to problem solving. The terms promoted recently such as ″relationships″, ″diversity″ or ″problem-based″ are ingrained in human ecology. Key aspects for research in the next decade will be： (a) seeking diversity in sampling； (b) seeking colleagues with different perspectives； (c) incorporating meta-analysis into our work； (d) seeking meaningful results； (e) utilizing varieties of research methodologies to address our problems； and (0 understanding that practice must continually change as a function of research.