Clinical trials are often carried out as multi-center studies because the patients enrolled for a trial study are very limited in one particular hospital. In these circumstances, the use of an ordinary Jonckheere (1954) and Terpstra (1952) test for testing trend among several independent treatment groups is invalid. We propose a the stratified Jonckheere-Terpstra test based on van Elteren (1960)'s stratified test of Wilcoxon (1945) statistics and an application of our method is demonstrated through example data. A simulation study compares the efficiency of stratified and unstratified Jonckheere-Terpstra trend tests.
Journal of the Society of Cosmetic Scientists of Korea
/
v.37
no.1
/
pp.23-36
/
2011
The purpose of this study is to make theoretical examinations into the makeup trend shown in digital communication environment and thereby determine potential associations of makeup trend with digital communication environment and characterize said trend, so that it can provide reference materials required for follow-up studies. This study comes to the following findings: First, it is found that there are sociocultural characteristics of digital communication environment, such as interactivity, technology-orientedness, sentiment-orientedness and mixture of time and space. Secondly, it is found that trends developed in makeup fall categorically into interactivity, virtuality, amusement and mobility. Thirdly, it is found that each type of digital communication adopts a mixture and juxtaposition of contemporary styles or categories with traditional ones through eclectic combination based on open-minded and horizontal ideas. Fourthly, it is found that a trend from digital communication environment doesn't coincide perfectly with any makeup trend, but the former trend works interactively and organically with the latter trend on the basis of homogeneity and similarity within a general framework that represents external esthetics of human being. With the creation of digital communication environment, our contemporary society forms as the complex phenomena of digital society in a combination and destruction of different categories beyond any certain international boundary, so that a hybrid tendency appears in contemporary makeup trend as well. Based on these findings, this study has its implications in the sense that it gives a new viewpoint based on design, formative characteristics and expression styles of makeup, and also provides useful reference materials for related industrial sectors.
Correcting an imbalance between cognitive and affective aspects of mathematics in schools is recognized as a crucial issue with regards to mathematics education in Korea. Therefore, research and studies about affective aspects have been increasing and themes relating to affective aspects were diverse. Their theme included the improvement of affective aspect, investigation of factors of affective aspect, and development of measurement tools for affective aspect. The purpose of this study is to analyze and organize the research that has been done with respect to affective aspect and drive trend, implication, and their instruction to mathematics education. This study has investigated 103 studies released from 2005 to 2015 on KCI, Korea Citation Index. The results of this study are as follow. First, since released research of affective aspects in mathematics has not increased in number in the last 11 years, academic interest in the affective aspects seems lower than recent interest arousing in Korea. Second, most studies utilized quantitative research as a tool to analyze phenomena and the cause and effect of affective aspects. Third, middle school students were the most common subjects of the studies, followed by elementary school students. Fourth, the studies had various themes such as analyzing the cause and effect of affective aspect, recognizing changes of affective aspects, and measuring affective aspects. The studies, especially, focused most on analyzing how to improve affective aspects by applying it to programs such as mathematic activities and solving mathematic problems. It is necessary for future research to have a long-term perspective and to provide a space for communication. Research should not only focus on how recognize affective aspects differently, which is based on its cultural background, but also to draw affective solutions from them.
Objectives : The aim of this study was to identify the trend of school health research by analyzing articles related to school health for the last 10 years. this information can be used to guide research direction for the future. Methods : This study is a descriptive study that analyzed annual data. using an objective frame of evaluation about the methodology and research domain in each paper, all the papers included in the journals concerning school health from January 1993 to December 2000 were analyzed. The data was processed statistically by frequency and percentage. Results : 455 papers in 9 journals related to school health were published. The Journal of the Korean Society of School Health had 204 articles, the highest number of any journal. most of the articles were descriptive, but the number of experimental studies increased over time. the most common research subjects were students were the greatest ones, but the trend to study both parents and teachers increased near the end of the sampling period. the most common selection of subjects appeared to be based on convenience, but probability sampling gradually increasing annually. the most common research instrument was the questionnaire and the reliability and the validity of instruments were described in approximately half of the studies. The survey was the most commonly used method of data collection. The papers that met ethical issue in data collection were less than those that did not. In addition, the papers that provided the rationale for the calculation of sample size were less than those that did not. parametric statistics were the main methods of data analysis, but some advanced statistics were used more often than simple descriptive statistics in the latter part of the sampling period. In general, limit of the studies were not frequently mentioned but more recommendations were made. regarding the characteristics of the research area, the assesment domain was remarkable. The rate of school health problem assesment was the highest among research subjects. Sex- related subjects were the highest in detail research subjects. Conclusions : The research of school health has increased quantitatively, but it is difficult to ascertain its qualitative development. Therefore, on the basis of the research completed up until now, more school-based intervention studies and longitudinal studies need to be another target for the evaluation of the effects of the school health service. as well, policy suggestion through international and cross-sectional comparison studies are needed to assist in the establishment of the long term direction of school health.
This study investigates changes of market structure from 2001 to 2015 in the Korean daily newspaper industry using concentration and mobility measures. The main empirical results are as follows. First, the industry's total asset shows a U-shaped trend, despite the downward trend of the industry's total sales revenue. Second, the market concentration, measured in terms of assets, shows the trend of an inverted-U shape. The relatively small firms, measured in terms of assets, have on average gained in market share while the relatively large firm have lost. Third, market concentration, measured in terms of sales revenues, shows a U-shaped trend. the relatively small firms, measured in terms of sales revenues, have on average gained in market share while the relatively large firm have lost. My central argument has been that it is desirable to supplement traditional concentration measures with mobility statistics and trend analyses in investigating and regulating market structure.
This article analyzed the crisis and emergency management research trend in the field of public administration in Korea from 1987 to 2007. The research purpose of this paper is to empirically evaluate the state of art in the crisis and emergency management research trend and explore research topics and methodology for future studies. According to empirical analysis, the main research results are as follows. First, almost all research papers over 80% have been written after 1998 and, especially, 67.6% of all papers have been published from 2003-2007. Second, recently lots of scholars are more interested in the problem solving prescriptive topics than normative and theory orientation. Third, in the Korean public administration, 74.6% of research papers which dealt with crisis, have investigated the disaster crisis including natural and man-made disasters, among conventional security crisis, disaster crisis, critical infrastructure crisis, and living safety crisis. Finally, so far, crisis and emergency management research trend in Korean public administration have consisted mainly of the papers with more descriptive approach and literature survey than empirical approach and survey research.
With the beginning of systemized research on Latin American region as a part of the third world in the mid-60s, Latin American regional studies in Korea acquired a steppingstone for development through the establishment of Hankook University of Foreign Studies Central & South American Regional Study, the creation of Central & South America Research Center, and Latin American Society established in the mid-80s. Latin American regional studies achieved quantitative and qualitative growth with the natioal globalization policy in the 90s, and research centers related to Latin America in Seoul National University, Pusan University of Foreign Studies, Dankook University, and Sunmoon University have contributed to the activation of regional studies. In spite of such achievements, Latin American regional studies, which have developed with 40 years of history, still possess problems that need to be solved. This study achieves qualitative analysis on theses published from 2000 to March 2001 in main Latin America regional study academic journals in Korea to analyze Latin American regional study trend of the recent 10 years in order to search measures for activating Latin American regional studies. Academic journals used in analysis include "Ibero America Research" of Seoul National University Research Center of Central & South America, Spain, "Central & South America Research" of Hankook University of Foreign Studies Research Center of Central & South America, "Ibero America Research" of Pusan University of Foreign Studies Central & South America Center, and "Latin America Research" published by Latin American Society. According to analysis on publication ratio of published theses according to field, it was presented that culture and politics fields occupied the highest ratio. Social and cultural fields, the elementary studies of regional research which have previously presented a weak research tendency, have achieved noticeable development during the past 10 years. According to analysis on researched nations, Latin America regional study was weighted in particular nations, and nations of economic size and political influence within region were selected as main subjects of research. Furthermore, several nations were not researched at all. For the last 10 years, the depth and width of the Latin America regional study had been decided by the degree of political, economic, social, and cultural significance occupied by the nation. It can be said that studies based on overall understanding on regional countries of Latin America have been relatively weak in individual nation study. Furthermore, studies that separate issues to achieve analysis based on the awareness theory of individual branches can be regarded dominant among studies based on entire Latin America. These studies still possess limitations in failing to deviate from the outline of particular region and topic.
Purpose: To analyze characteristics and trend of articles published in Journal of East-West Nursing Research. Methods: The 133 articles published from 1997-2008 were reviewed using a structured form. The form included items on the topics, subjects, study designs, sample size calculation, ethical consideration, and research funds. Data were summarized using descriptive statistics. Results: Oriental studies accounted for 42.9% of the 133 articles. The subjects were general population (32.3%), chronically-ill patients (17.3%), and nurses (12%). The most common design was survey (57.2%). Of the 32 experimental studies, 65.6% were associated with oriental nursing intervention. Many studies (66.2%) collected data using questionnaire. However, only two articles reported sample size calculation and 15.8% were performed after receiving written consent from the study participants. About 7% were studies were conducted with acquired research funds. Conclusions: Journal of East-West Nursing Research has appropriately published the studies about both oriental and Western nursing. However, application of scientific and rigorous research methodologies needs to be emphasized.
As the elderly population increases rapidly, existing houses many elderly reside are under poor conditions that they work as a factor to impede on the independent living of elderly people. Thus, improving existing housing environment to suit the needs of elderly life has been required. Academics has been continuously researched on the field considering the importance of elderly housing modification and the importance on the research of this field is projected to be greater with the coming of aging society. Hence, this study has a purpose on analyzing trends of previous studies related to housing modification for the elderly published in Korean academic journals in depth. This study is a content analysis study and analyzed the trend of previous studies with academic journal field, purpose of study, research subject, research area, research method, research content as analysis categories. As a result, previous studies was published the most in natural science academic journals and main stream of research was to suggest direction of housing modification by conducting surveys on actual conditions and needs of single elderly families and to suggest improving the directions of policies related to modification. On the other hand, empirical studies needed to execute housing modification such as standard and method of housing modification and supporting tools are still at minimal level that researches on this field should be conducted additionally. This study is expected to be used as basis to examine the current state of previous studies on housing modification for the elderly and to seek further research directions.
Objectives The purpose of this study is to analyze recent clinical studies on treatment for precocious puberty. Methods 28 clinical studies from January 2009 to December 2016 about precocious puberty from the China Academic Journal (CAJ), China National Knowledge Infrastructure (CNKI), were selected and reviewed: 22 case control studies and 6 case series. Results The main traditional Chinese medicine (TCM) treatment was the herbal decoctions and granules. The frequently used herbs were root of Bupleurum falcatum (柴胡), fruit of Prunella vulgaris var. aleutica (夏枯草), root stem of Anemarrhena asphodeloides (知母), dried fungus nucleus of Poria cocos (茯苓), Rehmannia glutinosa var. purpurea (生地黃), peony Paeonia suffruticosa Andrews (牧丹皮), bark of Phellodendron amurense (黃柏), roots of a plant Paeoniae lactiflora (白芍藥). On the other hand, the main western medicine (WM) for precocious puberty was Gonadotropin-releasing hormone agonist (GnRHa). Total effective rate of the TCM group was 62.96-100%, that of the WM group was 36.6-93.3% and that of the TCM-WM group was 77.8-93.75%. Conclusions Traditional Chinese medicine has been shown as an effective treatment for precocious puberty. These research results can be utilized in other clinical studies and in treatment of precocious puberty.
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