• 제목/요약/키워드: number of items

검색결과 1,886건 처리시간 0.027초

노인의 낙상에 영향을 주는 요인을 평가하기 위한 ABC-BBS의 적용: 사전연구 (Combining Two Scales to Assess Risk Factors of Falling in Community-Dwelling Elderly Persons: A Preliminary Study)

  • 박소연
    • 한국전문물리치료학회지
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    • 제15권2호
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    • pp.44-53
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    • 2008
  • The purpose of this preliminary study was to develop a measurement for assessing risk factors for falling in community-dwelling elderly persons. Rasch analysis and principal component analysis were performed to examine whether items on the Activities-Specific Balance Confidence (ABC), assessing self-efficacy, and items on the Berg Balance Scale (BBS), assessing balance function, contribute jointly to a unidimensional construct in the elderly. A total of 35 elderly persons (4 men, 31 women) participated. In this study, each item of ABC (16 items) and BBS (14 items) was scored on a 5-point ordinal rating scale from 0 to 4. The initial Rasch and principal component analysis indicated that 3 of the ABC items and 2 of the BBS items were misfit for this study. These 5 items were excluded from further study. After combining ABC and BBS, Rasch and principal component analyses were examined and finally 23 items selected; 12 items from ABC, 11 items from BBS. The 23 combined ABC-BBC items were arranged in order of difficulty. The hardest item was 'walk outside on icy sidewalks' and the easiest item was 'pivot transfer'. Although structural calibration of each 5 rating scale categories was not ordered, the other three essential criteria of Linacre's optimal rating scale were satisfied. Overall, the ABC-BBS showed sound item psychometric properties. Each of the 5 rating scale categories appeared to distinctly identify subjects at different ability levels. The findings of this study support that the new ABC-BBS scale measure balance function and self-efficacy. It will be a clinically useful assessment of risk factors for falling in the elderly. However, the number of subjects was too small to generalize our results. Further study is needed to develop a new assessment considering more risk factors of falling in elderly.

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Analysis of Electroencephalogram and Electrocardiogram Changes in Adults in National Healing Forests Environment

  • Hong, Jae-Yoon;Lee, Jeong-Hee
    • 인간식물환경학회지
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    • 제21권6호
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    • pp.575-589
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    • 2018
  • This study analyzed the changes in Electroencephalogram(EEG) and Electrocardiogram(ECG) depending on the healing environment in order to find a way to improve the forest healing program based on the healing environment in response to the demand for qualitative improvement of the program since the program is a charged service. This study selected eight sites running forest healing programs at four national healing forests (i.e., Saneum, Cheongtaesan, Daegwanryeng, and Jangseong) - two routes per national healing forest - considering forest environments. This study chose NUMBER standard sampling plots ($20{\times}20m$) and measured three atmospheric environment items, seven physical environment items, two soil environment items, and eight vegetation environment items including forest sound and anion at each plot to evaluate physiological changes in it. EEG and ECG, which have been widely used in forest healing evaluation, were utilized as criteria. Seventy three subjects were selected with taking the age, drug, caffeine, smoking, and the time of last meal into consideration. As a result, EEG changes were correlated with three atmospheric environment items, six physical environment items, one soil environment item, and two vegetation environment items. ECG changes were significantly correlated with two atmospheric environment items, six physical environment items, two soil environment items, and two vegetation environment items (p<.05). It is expected that 11 environmental factors such as temperature, density, and altitude affecting EEG (e.g., alpha balance and gamma balance) and ECG (e.g., HRV mean) could be used as effective tools in developing more differentiated programs for improving healing effects.

2003년부터 2005년까지 안이비인후피부과 학회지에 게재된 논문들의 통계적 분석 방법에 대한 고찰 (The consideration for methods of statistical analysis about the thesis published in the journal of korean oriental medical Ophthalmology & Otolaryngology & Dermatology from 2003 to 2005)

  • 김규석;남혜정;박외숙;김희정;차재훈;김윤범
    • 한방안이비인후피부과학회지
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    • 제19권3호통권31호
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    • pp.134-145
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    • 2006
  • Objective : This study was carried out to investigate what type of assumption and conditions are needed for the application of various statistical techniques such as descriptive statistics, t-test, analysis of variance, correlation analysis, regression analysis and chi-square test and to evaluate that they are used correctly in the research process. Methods : One more methods of statistical analysis were used in 91 papers among 162 papers selected from the journal of Korean oriental medical Ophthalmology & Otolaryngology & Dermatology from April 2003 to December 2005. So we analysed the type of statistical analysis method in 91 papers(clinical and experimental study) and assessed the their validity of statistical techniques by the check list consisting of 34 items(3 items for validity assessment of descriptive statistics, 6 items for t-test, 7 items for analysis of variance, correlation analysis and regression analysis, respectively, 4 items for chi-square test) Results : 1. The type of 65(40%) cases is experimental trial, the type of 55(34%) cases is case report, the type of 26(16%) cases is clinical trial and the type of 16(10%) cases is review, in 91 papers using statistical techniques among 162 papers selected from the journal of Korean oriental medical Ophthalmology & Otolaryngology & Dermatol-ogy from April 2003 to December 2005. 2. One more methods of statistical analysis were used in the experimental and clinical study. When we classified 125 units using statistical analysis methods in 91 papers according to statistical techniques such as descriptive statistics, t-test, analysis of variance, correlation analysis, regression analysis and chi-square test, the number of independent sample t-test is 33(26%), the number of only descriptive statistics is 28(22%), the number of independent sample t-test is 33(26%), the number of only descriptive statistics is 28(22%), the number of one way ANOVA is 15(12%), the number of non-parametric test 10(8%). 3. After carrying out one way ANOVA, the number of using multiple comparison methods is 15(Scheffe:6(26%), Duncan:4(17%), Dunnett:3(13%), Tukey:2(9%)) out of 23 (total case carrying out one way ANOVA). 8(35%) out of 23 did not enforce multiple comparison methods after carrying out one way ANOVA. 4. From the assessment of validity about 63 cases using statistical techniques(except descriptive statistics), 5(8%) cases are proper, the other 58(92%) are improper, so we recognized a serious misuse of statistical application in our journal. 5. The number of case below 10 sample size in experimental and clinical study(except descriptive statistics) is 31(34%) and frequent. Also the number of case containing no mention of sample size is 41(45%, including culture study). 6. For example of statistical error, there are wrong choice of statistical technique, lack of check on standard assumption(such as standard distribution, equivariance, independence), and so on. Conclusions : We investigated the validity of statistical analysis methods in our journal by check list consisting of 34 items and suggested correct statistical analysis methods. We should practice the spread of education about statistical analysis methods and precis application, enhance objectivity and reliability of our thesis and further correspond with purpose of scientific study.

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중국의 해외구매대행 현황과 문제점에 관한 연구 (A Study on the Status and Problem Concerning Overseas Shopping Service)

  • 오원석;이경화
    • 무역상무연구
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    • 제65권
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    • pp.141-160
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    • 2015
  • With the steady growth of our nation's economy, the purchase power of our domestic citizens has continuously enhanced. In recent years, online overseas shopping has rapidly warmed up, increasing number of Chinese people have started to purchase overseas products via internet. According to China's current legislation, the imported goods are divided into goods and items based on "profitability standard", and regulated by different rules of clearance supervision and import duties. Goods can't pass through custom and pay duties in the form of items, and the import duties burden of goods is generally much heavier than that of items. Goods of entrusted overseas shopping pass through custom and pay duties in the form of items, but goods of profitable purchasing are goods, not items. Therefore, the profitable-purchasing behavior is smuggling. Although goods of unprofitable purchasing are items, unprofitable-purchasing behavior may also constitute smuggling. The author concludes that causes of smuggling crime are: huge market demand for overseas goods, lack of customs supervision, law blank of petty foreign trade, and public's misconception of entrusted overseas purchasing are the major factors. The author proposes the corresponding preventive measures against the crime, such as to establish an one-stop service system in online Shopping Mall, to modify the Passengers' Baggage Declaration Form, to establish a relatively simplified clearance system of small cargo, to establish a relatively reasonable import duties of petty trade.

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Irrational Factors Affecting the Purchase of Online Game Items

  • Lee, Jongwon;Lee, Jemin Justin;Park, Ji Min
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • 제12권2호
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    • pp.626-642
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    • 2018
  • Recently, a number of studies have drawn attention to purchasing online game items. Most of the studies are based on the assumption that consumers behave rationally. Accordingly, TRA- or value-based approaches have been mainly employed to understand the online purchases of game items. However, the purchasing behavior of consumers involves not only making rational decisions, but also making irrational decisions. Hence, their purchase behavior is affected by propensities for conspicuous consumption, impulsive consumption, and habitual consumption. Playing games can be highly addictive, and players often display such addictive behaviors. Our study explored both the rational and irrational factors in purchase behavior to understand how they are associated with purchasing game items. A total of 366 pieces of data were collected from Korean online game users through a survey. Regression analyses of the collected data showed that the behavior of buying game items was influenced not only by the intention to purchase which is a rational factor in consumption, but also by such irrational factors as habit, impulse, and ostentation which should be further emphasized in future studies.

농촌주택 도면자료 질의를 위한 객체지향 자료구조의 개발 (Development of An Obiect Oriented Data Structure for Querying of the Rural House Design)

  • 정남수;윤성수
    • 농촌계획
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    • 제3권1호
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    • pp.86-95
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    • 1997
  • The purpose of this study is to develop the data structure for querying database of a rural house design. It is necessary, for developing the data structure, to define items of rural houses and to study about the processing of the data. The classifications of rural houses can be differed in the subjective opinion for computerization. In this study, items of classified rural houses can be expressed numerically, like size and number of room. The user who has insufficient knowledge about house is hard to input items fit personal taste. The querying algorithm was developed using the relationship of items and functions of house. Functions of house mean family life-style and how they use space.

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청조 관복제도의 등급체계에 관한 연구 (제1보) (A Study on the Rank System of Official Uniforms of Qing Dynasty)

  • 박현정
    • 복식
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    • 제53권1호
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    • pp.17-34
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    • 2003
  • This paper investigates the rank system of official uniforms of Qing dynasty to analyze ethnic characteristics of the official uniforms. As a research document, Qing Huidian Tu(청회전도) has been used. The official uniforms of Qing dynasty were chao-fu(조복), ji-fu(길복), chang-fu(상복), hang-fu(행복), and yu-fu(우복), which were used in different occasions. Each of the five official uniforms had distinct items. For example, chao-fu(조복) consisted of four items: chao-guan(조관), chao-fu(조복), chao-dai(조대), and chao-zhu(조주), and ji-fu(길복) consisted of four items: ji-fu-guan(길복관), long-pao(용포), ji-fu-dai(길복대), and chao-zhu(조주). Each of these items had elements that made distinction between ranks. This research shows that the important elements to make distinction between ranks were textiles, precious stones, patterns and colors, and additionally the number of Bo(보) and the types of Bo(보) were used.

3개 주요 월간 여성잡지에 나타난 건강관련 기사 내용분석 (1997년 3월-1998년 2월 중심으로) (An Analysis on the Contents Related to Health in the Three Major Monthly Women's Magazine)

  • 유은광;이성은;김명희
    • 여성건강간호학회지
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    • 제4권3호
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    • pp.309-321
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    • 1998
  • The purpose of this study was to analyze the contents related to health in the three major monthly women's magazine that was printed from March, 1997 to February, 1998. The unit of analysis was the section of health, living life, and reaing child. The total number of related story of health was 317. The analysis was done according to the target, health management, topics and the informer by using frequency and number. The findings are as follows : 1. The contents were categorized by target people. The number of items for women was 113(35.6%), child(17.4%), family(15.5), husband(4.7%) and others(26.8%). Others were the contents that are impossible to classify. 2. The number of items of contents by health management was the related to health maintenance and promotion 120(47.8%), health care when they were deviated from health 26(10.3%), and those of both attributes 105(41.8%). 3. The number of items of contents by topics was the related to the occurrence, prevention and treatment of various kinds of disease 41(12..9%), diet 37(11.7%), academic information 11.3%, women's disease 10.4%, the effect of foods 6.0%, child's growth & development and child care 5.75, various kinds of therapy for health care 5.7%, sexual life 5.4% and exercise 4.7%. 4. The number of items of contents by informer was medical doctor 215(49%), lay person's case report or report of a struggle against a disease 12.3%, relevant organization of a related story(eg. family therapy research institute, physical therapist's or teacher's) 11.2%, and the contents of existing books or lecture 8.9%. Among those contents, only the one case from nurse or Korean nurses association as informer was founded, which is related to "skinship child care." In conclusion, this finding showed that women's magazine took a role as a important resource providing informations of health to women. it provides a challenge to the health professionals to have concerns on women's needs, and the content, source, and accuracy of the health related information and take part in the process producing information through such as screening and examining so as to give accurate information to women. Then women's magazine can take a role as a major resource for maintaining and promoting women's health. Finally, nurses's, who are professional health care providers, important and active role as informers toward the lay persons, especially for the women who are non-professional care givers at the family unit should be stressed. More active and continual monitoring and analyzing the contents related health in the mass media including magazine and Internet network in detail, and participating in establishing the system of adequate and precise information for women and lay persons from the nursing profession are required absolutely.

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부산시내 단체급식소에서 전유류의 이용실태조사 (Survey on utilization of Pan-fried food items at institiutional foodservice establishments in Pusan)

  • 김경자;차은정
    • 한국식품조리과학회지
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    • 제10권4호
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    • pp.309-314
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    • 1994
  • This study was conducted to survey on utilisation of pan-fried food items questioning by dietitians from 40 foodservice establishments in Pusan. The results of this study are summarized as folIows. 1. Feeding numbers among the type of the foodservice centers were varied widley from 90-3200 and the number of foodservice personnels were insufficient when comparing with the feeding numbers. Also, it was shown that most of surveyed institutions managed by conventional foodservice system 2. 52.5% of requirements answered that they served pan-fried food items three times a month, and they were inconvenient food items because of their complecated cooking method(100%). But the preference of that was high(57.5%) 3. Equipped rate was very poor and proper equipments were not provided to prepare pan-fried foods effectively.

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Multi-line display 제품의 메뉴 설계 방안

  • 유승무;한성호;곽지영
    • 대한인간공학회:학술대회논문집
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    • 대한인간공학회 1995년도 추계학술대회논문집
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    • pp.41-45
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    • 1995
  • Menu-driven interfaces are frequently employed for user -system interfaces on many electronic products. Due to the space and budget constraint, a single or multi-line display is used to show menu items. Single or Multi-line display present 8 .approx. 21 characters on an LCD screen and users select items using a series of button pushes. Multi-line displays are different from the single-line ones in the following aspects. First, they can present multiple menu items at the same time. Second, they can present menu items in a various way, for example, same-depth presentation, sub-depth presentation, previous selection, etc. In this study, a human factors experiment is being conducted to examine the effects of three independent variables on the design of a multi-line display. Factors investigated include menu structure, number of lines on the display, item presentation methodl. Usability of the multi-line display is being measured quantitatively in terms of four different aspects: task completion time, accuracy, inefficiency, user preference. A set of design guidelines will be drawn from this study which can be applied to usef-system interfaces of a various types of consumer products.

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