• Weed & Turfgrass Science
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• v.6 no.2
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• pp.77-85
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• 2017

Insect pests have been one of the main constraints affecting turf sod cultivation areas, playgrounds, parks, golf courses, airports and other related recreational grounds. However, turfgrass research has been very limited and confined within a limited period of time compared to other branches of crop science in Korea. This review was surveyed from all papers in KCI (Korea Citation Index), SCI (Scientific Citation Index) and SCIE (SCI Expended) journals related to turfgrass research in Korea. Fifty two papers concerning turfgrass insect pest in Korea have hitherto been published in 8 different scientific journals since 1990. Thirty three papers (63.5% of total) were published in Weed and Turfgrass Science. The main topics of focus were divided into two parts; ecological study and control of insect pests. Before the 1990 decade, there were no scientific papers published in relation to turfgrass insect pest science. However, during the 1990, 2000 and 2010 decades, 9, 10 and 14 papers were published respectively in Weed and Turfgrass Science. From 1997, about 2 papers were published per year in the scientific journals. Thirty three insect pest species belonging to 13 families in 6 orders, one Eriophyidae mite, Aceria zoysia and one Armadillidae sowbug, Armadillidium vulgare, have hitherto been listed as turfgrass arthropod pests in Korea. Fifty percent of turfgrass insect pest papers published were focused on whitegrub, Adoretus tenuimaculatus, Popillia quadrigutta and earthworm research in Korea.

• Journal of The Korean Society of Grassland and Forage Science
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• v.22 no.3
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• pp.195-200
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• 2002

Research trends of papers published in Journal of the Korean Society of Grassland Science(JKSGS) during last 20 years(1982~2001) were examined. Total number of papers published in JKSGS during last 20 years was 668. In the classification of published papers according to research objects, the rate of paper related to grassland was highest as average 18.6% of total research papers during last 20 years. Next was an orchardgrass 8.7, com 8.4, and sorghum and sorghum $\times$ sudangrass hybrid 7.1%. In classification of published papers according to research fields, cultivation field was studied more than others and the rate of cultivation field was highest as 38.8%, and physiology, utilization, breeding and biotechnology field was 23.7, 20.7, 9.1 and 6.6%, respectively. In comparison of average rate of research contents on the papers published during last 20 years, studies on the manure and fertilization were continously increased up to average 20% during recent 5 years(1997~2001). Study on the biotechnolgy was rapidly increased from average 6.6% of last 20 years to average 15% of recent 5 years. Study on the weed was also increased from average 2.5% to 5.9%. On the other hand, studies on the productivity and quality were rapidly decreased from average 31.3% of 5 years(1982~1956) to average 7.7% of recent 5 years. Research trend on the pasture appeared to be similar.

• Archives of Plastic Surgery
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• v.42 no.4
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• pp.411-418
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• 2015

Background The plastic surgery literature is vast, consisting of a plethora of diverse articles written by a myriad of illustrious authors. Despite this considerable archive of published material, it remains nebulous as to which precise papers have had the greatest impact on our specialty. The aim of this study was to identify the most cited papers in the plastic surgery literature and perform a citation analysis paying particular attention to the evidence levels of the clinical studies. Methods We identified the 50 most cited papers published in the 20 highest impact plastic surgery journals through the Web of Science. The articles were ranked in order of number of citations acquired and level of evidence assessed. Results The top 50 cited papers were published in six different journals between the years 1957 and 2007. Forty-two of the papers in the top 50 were considered as level IV or V evidence. No level I or II evidence was present in the top 50 list. The average level of evidence of the top 50 papers was 4.28. Conclusions In the plastic surgery literature, no positive correlation exists between a high number of citations and a high level of evidence. Anatomical reconstructive challenges tend to be the main focus of plastic surgery rather than pathologic diseases and consequently, papers with lower levels of evidence are relatively more valuable in plastic surgery than many other specialties.

• PNF and Movement
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• v.12 no.2
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• pp.51-61
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• 2014

Purpose: This study aimed to review articles related to PNF and easily provide information to readers who have difficulty reading papers or using PNF in clinics without a background in statistical knowledge. Methods: We used PubMed to collect papers on international studies and we conducted a search on April 28, 2014. Keywords used for the PubMed search were "PNF" and "Proprioceptive Neuromuscular Facilitation". The search results identified 765 papers that had been published since 1954. To target the papers for review, we selected 66 papers, excluding papers that were not published in online journals and papers that were written in a second language. Results: The reviewed papers consisted of studies that addressed basic principles and procedures, combined with other interventions, including PNF stretching concepts, and other diseases with PNF concepts. The articles related to basic procedures and principles reported on optimal contraction intensity, patterns, and irradiation. The articles related to stretching and strengthening reported on stretching the hamstring muscles in healthy subjects, in combination with other interventions such as neuromobilization, clinical massage, kinesio taping, and water immersion. The articles related to specific diseases reported on stroke, low back pain, athletic injury, total knee replacement, etc. Conclusion: In the 66 articles reviewed for this study, there was little evidence that PNF has therapeutic value. However, in future research on the application of PNF, investigators could conduct a more in-depth analysis of this topic and present more objective and useful information on the therapeutic benefits of PNF.

• Korean Journal of Health Education and Promotion
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• v.30 no.3
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• pp.75-84
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• 2013

Objectives: The purpose of this study was to identify the domestic research trends in health education published in journals and dissertations, and to provide recommendations for quality improvement. Methods: 277 papers published from 1960 to 2009 were reviewed using criteria of analysis. The results were displayed as frequencies and percentages. Results: The contents of the health education were very poor compared with the Health Promotion Act. In health education program developing and evaluation process, papers on the assessment stage occupied the largest portion. In research methodology; the survey study, school field, the questionnaire research tool and inferential statistics were the most applied. Master theses were the largest number. Conclusions: This review suggests that the published papers, in some instances, have been poorly done. However, this study may provide future guidelines for health education research, and it is hoped that higher level research can be accomplished.

• Korean Journal of Oriental Medicine
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• v.18 no.3
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• pp.127-132
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• 2012

Background and Purpose : This study was to investigate statistical validities and trends of previously reported papers that used various statistical techniques such as t-test and analysis of variance. Methods : To analyze the statistical procedures, 38 original articles using those statistical methods were selected from Journal of Korea Institute of Oriental Medicine(JKIOM) published from 2010 to 2012. Results : Analysis of variance and t-test were used in 20 papers (38.5%), 16 papers (30.8%) of 52 papers. Four articles(10.5%) did not report ${\alpha}$ values and nineteen papers(50.0%) of 38 ones were not tested for normal distribution. Five papers (13.2%) misused t-test and 3 papers (7.9%) did not carry out the multiple comparison. Conclusions : To improve the quality of JKIOM, The participation of statisticians in research design will reduce the significant errors in statistical interpretation of the results.

• The Journal of Korean Obstetrics and Gynecology
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• v.25 no.1
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• pp.70-78
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• 2012

Objectives: The purpose of this article is not until to investigate the changes and types of statistical methods and to point out the statistical errors after analyzing the method of articles that improve the quality of the statistical analysis of papers published in the Journal of Oriental Obstetrics and Gynecology. Methods: Papers published in the Journal of Oriental Obstetrics and Gynecology from 2009 to 2011 were reviewed for methodological and statistical validity using a modified version of Ahn's checklist. A statistician reviewed individual papers and evaluated the list items in the checklist for each paper. To avoid the potential assessment error by the statistician who lacks expertise in the field of Oriental Obstetrics and Gynecology. Results: A total of 190 papers including 64 original articles, 40 reviews article, 58 case report and 28 brief communication were reviewed. Statistics methods used in 121 papers were composed of t-test(58.7%), ANOVA test(19.8%) and ${\chi}^2$- test (14.0%) et al. Whereas only 14.9% of papers were free of statistical errors, the number of omission errors was 58 and the number of commission errors was 149 each. Conclusions: A variety of statistical errors were encountered in papers published in the Journal of Oriental Obstetrics and Gynecology. Accordingly, researchers should be more careful when it comes to describing and applying statistical methods.

• Journal of the Korean Society for Library and Information Science
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• v.56 no.4
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• pp.473-490
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• 2022

This study was conducted to examine Sci-Hub, which provides the original text of academic papers to be provided for a fee by bypassing copyright, and to establish a basic basis for understanding the usage behavior of researchers with access restriction in Korea by analyzing the domestic Sci-Hub usage based on the dataset released by Sci-Hub in 2017. Therefore, after grasping the current status of the world related to Sci-Hub, the categories were set and analyzed by region where the dataset was downloaded, subject matter of academic papers, publisher, OA status, and published year. As a result of the study, the most downloaded areas were Seoul and the metropolitan area, and papers and journals in the field of natural science were downloaded the most, and about 20% of papers were in Open Access state. The papers published between 2010 and 2017 were the most downloaded, and IEEE's papers were the most downloaded, showing that recently published academic papers in the natural sciences were the most downloaded by the time they were downloaded.

• Journal of Pharmacopuncture
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• v.17 no.4
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• pp.15-21
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• 2014

Objectives: The purpose of this study was to investigate the current trends in research on pharmacopuncture in Korea since 2007. Methods: A literature review was performed by using the search engines 'Science and Technology Society Village', 'Korean Studies Information Service System', 'National Discovery for Science Leaders', and 'Oriental Medicine Advanced Searching Integrated System' in Korea from January 2007 to December 2013. Searched key words were 'pharmacopuncture', 'herbal acupuncture', 'aqua-acupuncture', and 'bee venom'. Finally, we selected 457 papers, including Korean experimental studies and clinical studies. Selected papers were classified according to year of publication, type of pharmacopuncture, disease & topic, research type and the publishing journal. Results: One hundred fifty pharmacopunctures were studied in 457 papers. Single compound pharmacopuncture was the most studied pharmacopuncture in experimental studies while animal-based pharmacopuncture was the most studied pharmacopuncture in clinical studies. Bee venom placed first among the various pharmacopunctures, followed by placenta, sweet bee venom, mountain-ginseng, and anti-inflammatory pharmacopunctures. Experimental research on pharmacopuncture has fallen since 2007 when 55 papers were published. However, clinical research has been increasing steadily. In clinical studies, case reports were numerous than randomized clinical trials (RCTs). Musculoskeletal diseases were the most frequently-treated diseases in studies on pharmacopuncture; among the musculoskeletal diseases, rheumatoid arthritis was the most frequently-treated disease in experimental studies and low back pain was the most frequently-treated condition in clinical studies. Since 2007, 45 different journals have published studies on pharmacopuncture, with the Journal of the Korean Acupuncture and Moxibustion Medicine Society having the largest number of papers on pharmacopuncture and the Journal of Pharmacopuncture the second largest number. Conclusion: The trends in research on pharmacopuncture published in studies from 2007 to 2013 were similar to those in studies published before 2006. Many studies on pharmacopuncture focused on bee venom and musculoskeletal diseases. Additional studies on diverse types of and indications for pharmacopuncture are needed.

• The Korean Journal of Pain
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• v.23 no.1
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• pp.35-41
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• 2010

Background: Statistical analysis is essential in regard to obtaining objective reliability for medical research. However, medical researchers do not have enough statistical knowledge to properly analyze their study data. To help understand and potentially alleviate this problem, we have analyzed the statistical methods and errors of articles published in the Korean Journal of Pain (KJP), with the intention to improve the statistical quality of the journal. Methods: All the articles, except case reports and editorials, published from 2004 to 2008 in the KJP were reviewed. The types of applied statistical methods and errors in the articles were evaluated. Results: One hundred and thirty-nine original articles were reviewed. Inferential statistics and descriptive statistics were used in 119 papers and 20 papers, respectively. Only 20.9% of the papers were free from statistical errors. The most commonly adopted statistical method was the t-test (21.0%) followed by the chi-square test (15.9%). Errors of omission were encountered 101 times in 70 papers. Among the errors of omission, "no statistics used even though statistical methods were required" was the most common (40.6%). The errors of commission were encountered 165 times in 86 papers, among which "parametric inference for nonparametric data" was the most common (33.9%). Conclusions: We found various types of statistical errors in the articles published in the KJP. This suggests that meticulous attention should be given not only in the applying statistical procedures but also in the reviewing process to improve the value of the article.