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혼합분포 문항반응모형 적용을 위한 잠재집단의 이질성 수준 탐색
박산하(San-Ha PARK),김성은(Sung-Eun Kim) 한국교육평가학회 2018 교육평가연구 Vol.31 No.3
본 연구는 혼합분포 문항반응모형 적용 시 집단의 이질성에 따른 잠재집단 추정의 정확성을 확인하여, 모형 활용을 위해 요구되는 이질성 수준을 제안하는 데 목적이 있다. 특히 기존 혼합분포 문항반응모형 연구에서 다루지 않은 하위집단 간 거리로 집단의 이질성을 측정하였다. 2-모수 혼합분포 문항반응모형을 사용하였으며, 모의실험을 통해 다양한 검사 조건(잠재집단의 수, 피험자 수, 잠재집단의 비율, 모수분포 평균의 차이)에서 잠재집단 간 마할라노비스 거리에 따른 잠재집단 수 결정의 정확성과 피험자 분류 정확성을 확인하였다. 연구결과, 잠재집단 간 마할라노비스 거리가 3 이상인 조건에서 잠재집단 수 결정 정확도와 피험자 분류 정확도가 눈에 띄게 높아졌다. 본 연구는 추후 혼합분포 문항반응모형을 활용하고자 하는 연구자들에게 잠재집단 추정의 정확성을 예측하기 위한 정보와 이를 바탕으로 모형 활용을 위해 요구되는 집단의 이질성 수준에 대한 정보를 제공하는 데 의의가 있다. The purpose of this study is to suggest a degree of heterogeneity between classes in order to utilize a model, after confirming the accuracy of latent class estimation, based on distance, when utilizing mixture IRT. The heterogeneity between the classes was measured by the distance between latent classes, which is not a factor being dealt within the existing mixture IRT research. In order to confirm this, a simulation study was used that allowed for the assumptions of the following varying conditions; numbers of classes (2class, 3class), sample sizes (1,000, 2,500), mixing proportions (equal, unequal) the difference of mean parameter distributions (0, 0.5, 1, 1.5), and the distance between the latent classes (2, 3, 4, 5). The accuracy of correct model selections based on the heterogeneity of latent classes and the accuracy of examinee classification, were confirmed by the simulation study. In conclusion The results show that there is a consistent tendency that if the Mahalanobis distance between latent classes is 3 or more, then the higher the accuracy of examinee classifications and correct model selections. This study provided information to researchers who intend to utilize mixture IRT; the information to predict the accuracy of latent class estimation and based on this, information about the degree of heterogeneity between classes required to utilize a model.
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일제강점기 애국 로쿄쿠(愛國浪曲) <장렬 이인석 상등병>에 대한 음반 연구
박영산 ( Park¸ Young-san ) 한양대학교 동아시아문화연구소 2022 동아시아 문화연구 Vol.89 No.-
일본의 나니와부시(浪花節)는 메이지 유신 이후에 형성되고, 전시 체제였던 제국주의 시대에 대중에게 인기 있는 예능으로 부상했다. 러일전쟁 후에 충군애국(忠君愛國)을 주제로 하여 국가주의의 시류에 올라타고, 만주사변과 중일전쟁, 태평양전쟁이 발발하는 동안, 꾸준히 애국 로쿄쿠(愛国浪曲)를 만들어 국책에 동조했다. 즉 일제는 자국민을 상대로 해서, 프로파간다의 목적으로 로쿄쿠를 적극 활용했던 것이다. 그런데 흥행사 최영조는 당시 일본 로쿄쿠 계에서 다방면으로 활동하고 있었다. 그는 일본 로쿄쿠 명문인 아즈마야 파(東家派) 소속이었고, 일본 로쿄쿠 학교의 교장으로 재직하며 최팔근을 로쿄쿠시(浪曲師)로 양성했다. 또한, 일제강점기에 극작가 이서구와 최팔근은 ‘조선어 나니와부시’라는 새로운 장르를 창시하고, <장렬 이인석 상등병>을 유성기음반으로 만들었다. <장렬 이인석 상등병>은 지원병을 꿈꾸던 이인석이 일제의 ‘황군(皇軍)’이 되기 위해 가족 친지와 헤어지는 ‘노도(怒濤)의 환송’ 대목과 지원병 훈련소와 전쟁터의 삶을 그린 ‘진영(陣營)에서의 생활’, 그리고 ‘수류탄 불바다가 된 전쟁터’와 적군의 총에 맞아 천황폐하를 외치고 ‘동쪽 하늘을 바라보며 전사’하는 대목을 극적 형식의 애국 로쿄쿠로 완성하고 있다. 이 논문에서는 하타 겐스케(秦賢助)의 원작 소설을 통해, 이인석이 ‘식민지적 인간형’이 되는 과정을 파악했다. 또 애국 로쿄쿠 <장렬 이인석 상등병>을 통해, 식민지교육에 체화된 이인석의 심신을 뛰어난 극작술과 화술로 묘사한 메커니즘을 검토했다. 그 결과 식민지교육의 본보기가 된 이인석의 삶과 죽음은 조선의 청년들을 중일전쟁에 동원하기 위해 이용되었다는 것을 확인했다. Naniwa-bushi(浪花節) was formed after the Meiji Restoration and emerged as a popular performing arts among the public in the era of imperialism as a wartime system. Also, after the Russo-Japanese War, it climbed into the nationalist trend with the subject of patriotism. And during the Manchurian Incident, the Sino-Japanese War, and the Pacific War, It created a patriotic rokyoku(愛国浪曲) and sympathized with the national policy. In other words, the Japanese imperialists actively used Rokyoku for the purpose of propaganda to their own people. However, Choi Young-jo was active in various fields related to Rokyoku in Japan. He was a show projector belonging to the prestigious Azumaya group of the Rokyoku organization, and served as the principal of the ‘Nippon Rokyoku School’, and he trained Choi Pal-geun as a Rokyoku-shi(浪曲師). In addition, during the Japanese colonial period, Lee Seo-gu of playwright and Choi Pal-geun of Rokyoku-shi created a new genre called ‘Korean Naniwa-bushi’. and they made the SP record < Heroic soldier, Lee In-seok >. In this thesis, I grasped the process of Lee In-seok becoming a ‘colonial human’ through the original novel by Hata Gensuke. Also, through the < Heroic soldier, Lee In-seok >, I reviewed the mechanism of depicting ‘Lee In-seok’s mind and body embodied in colonial education with excellent playwright and narrative skills. As a result, I confirmed that Lee In-seok's life and death became a model for colonial education, and it was used to mobilize the youth of Korean to the Sino-Japanese war.
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NUI 기기별 특성을 반영한 소환현실 환경 설계 시뮬레이션
박산 ( San Park ),조성재 ( Seoungjae Cho ),엄기현 ( Kyhyun Um ),조경은 ( Kyungeun Cho ) 한국정보처리학회 2016 한국정보처리학회 학술대회논문집 Vol.23 No.1
최근 다양한 NUI 장비들의 확산에 따라 각 장비에 관한 특성과 배치에 관한 연구가 활발히 진행되고 있다. 실제 환경에서 다양한 센서 장비들을 사용해 실험하기 위해서는 많은 비용이 소요된다. 본 논문에서는 센서 장비간 특성을 반영한 범용 소환현실 가상화 기술을 제안한다. 소환현실 시뮬레이터를 설계하고 구현한 결과, 여러 센서 장비들의 특성을 고려한 배치가 가능함을 확인하였다.
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환자만족도 평가에 대한 방법론적 접근: IPA기법을 중심으로
박재산 ( Jae San Park ) 한국보건행정학회 2008 보건행정학회지 Vol.18 No.3
The measurement and management of patient satisfaction has become one of the key issues in the last two decades. Hospitals must thoroughly understand the needs of their customers and design products and health services that meet and exceed their expectations. The importance-performance analysis(IPA) is a widely used analytical technique that yields strategies for managing customer satisfaction in a variety of applications. IPA is a two-dimensional grid based on customer-perceived importance of quality attributes and attribute performance. Depending on the interplay of these two dimensions, four strategies can be derived. The aim of this study is to develop the management strategies for improving patient satisfaction in university hospitals using the I-P analysis. The attributes on inpatient service quality in 4 university hospitals was investigated using the Martilla and James(1977)`s a mean adjusted I-P grid where the axes of the grid cross at the average rating point of all items. The patient satisfaction questionnaires were completed by 600 hospital inpatients. The main statistical methods are path analysis and IPA with SPSS 12.0 and AMOS 4.0 statistical softwares. The two attributes, physician and medical service, administrative staff kindness attributes position in first quadrant(Keep Up the Good domain). The nurse and nursing service attributes position in second quadrant(Possible Overkill domain). The two attributes, convenience of check-in service, facilities and physical environment position in third quadrant(Low Priority domain). Finally the quality of inpatient service(food etc.) attributes position in fourth quadrant(Concentrate Here domain). These findings show various implications on the development of strategies in university hospitals in the future. It was determined that quality of inpatient service(food etc.) need to concentrate more on investments. These investments include a taste, price, proper provision of food service and quick response of pain management. A low priority was given to investment in streamlining the check-in process of inpatient and hospital facilities and physical environment in the long run.
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박영산 ( Young San Park ) 조선대학교 인문학연구원 2002 인문학연구 Vol.27 No.-
Most poems themselves aim at aestheticism ultimately. Seamus Heaney`s poetry also shows how important the beauty in poetry is. But the historical and political situation of his nation does not admit him to stay on the aesthetic pleasure and he cannot turn away from his suffered native country and his race. So first his early poems treat the terrible reality which has happened in Ireland for a long history. As a result there the poetic language seems heavier and contains ``public voice`` instead of ``private voice``. This national ideology is inevitably reflected on his early poems. But aesthetic features underlies even in his early poems even though not expressed much. This means he has conflicted between the beauty of art and the actual situation of Ireland. His sense of duty as an intellectual makes him participate in the patriotic activity by writing such poems that have strong message for his nation. Of course this does not mean he is a propagandist. This deep confliction comes to lead him to move into Glanmore at Wicklow, the southern silent area of Ireland. This becomes the turning point of his way of writing. From this time on S. Heaney`s poems treat the poetic beauty as main aim. The previously submerged importance of poetic beauty begins to be revealed and he comes to realize that this is his ultimate aim of his art. This thesis tries to show that his concern with poetic beauty penetrates into all his poems even though the aesthetic aspect gets differentiated by each poem, and that even his poems with national ideology are based on just the aestheticism as universal sympathy.
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