• Title/Summary/Keyword: Criteria of analysis

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The New Criteria of Dissolved Gas Analysis for Oil-Filled Transformers Using a Cumulative Distribution Function

  • Cho, Sung-Min;Kim, Jae-Chul;Kweon, Dong-Jin;Koo, Kyo-Sun
    • Journal of the Korean Institute of Illuminating and Electrical Installation Engineers
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    • v.21 no.9
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    • pp.87-94
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    • 2007
  • This paper presents new criteria for DGA(Dissolved Gases Analysis) using CDF(Cumulative Distribution Function) obtained from the data from the diagnosis of transformers operated in KEPCO over a period of 16 years. Because of differences in operating environments, construction type, oil volume, and other factors, the interpretative criteria of DGA at KEPCO differs from other standards such as IEC-60599, or Rogers and Doernenburg. To suggest the most appropriate criteria, the DGA data from transformers under normal conditions as well as from developing fault transformers were collected. Using these data, this study suggests the limitative gas level of transformers under normal operating conditions and verifies the suitability of the criteria. Because the application of this new criterion to transformers at KEPCO increases the detectable ratio of incipient faults and reduces unnecessary follow-up sampling and analysis, the new criteria yields a more reliable prediction of transformer condition.

Effects of Fit-Related Factors and Clothing Evaluation Criteria on Clothing Satisfaction (맞음새 관련 요인과 의복평가기준이 의복만족도에 미치는 영향 -체형, 치수중요성, 활동중요성을 중심으로-)

  • Park, Sun-Mi;An, Eun-Jeoung
    • The Korean Journal of Community Living Science
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    • v.25 no.3
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    • pp.373-382
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    • 2014
  • This study was explored the relationship of fit-related factors and, clothing evaluation criteria to clothing satisfaction. A total of 247 completed responses were obtained from a convenient sample of female students in their twenties. The statistical analysis methods included factor analysis, an ANOVA, and a multiple regression analysis. First, clothing evaluation criteria included practicality, product trait, and symbolism. Second, a comparison of clothing evaluation criteria and clothing satisfaction in groups divided by fit-related factors showed significant differences. In particular, the fat body type group showed higher level of the product trait and the thin body type group showed lower level of clothing satisfaction. The high activity group showed higher levels of clothing evaluation criteria and lower level of clothing satisfaction. Third, body type perception (-) and activity importance (-), fit-related factors, and practicality (+), clothing evaluation criterion had significant effects on clothing satisfaction. Therefore, These results suggest that fashion firms should make efficient use of fit-related factors and clothing evaluation criteria to enhance consumers' clothing satisfaction and to stimulate their purchase intention toward fashion goods.

The Analysis of Water Supply Capacity using Reliability Criteria - for the Nakdong River Basin - (신뢰성 기준을 적용한 용수공급능력의 해석 - 낙동강유역을 중심으로 -)

  • 차상화;지홍기;이순탁
    • Journal of Environmental Science International
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    • v.11 no.12
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    • pp.1227-1233
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    • 2002
  • In general, the evaluation of water supply capacity is important factor to establish various establishment of water resource supply plan include water resource security and determination of dam's mass. But former researchs about estimation of water supply capacity were lack in continunity of evaluation basis, and didn't excute analysis on reliability criteria also. In this study, Nakdong river was selected for study basin, and then water supply capacity was analyzed by HEC-5 model using identical reliability criteria.

Land Suitability Analysis of Collective Facility Area in the Kimhae Daechung Park using Geographic Information System and Multi-Criteria Evaluation (GIS와 다요소의사결정방법(MCE)에 의한 김해 대청공원 집단시설지구 적지분석)

  • Hwang, Kook-Woong;Lee, Kyu-Wan
    • Journal of the Korean Association of Geographic Information Studies
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    • v.3 no.3
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    • pp.45-53
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    • 2000
  • Geographical Information Systems(GIS) overlay analyses, while ideal for performing spatial searches on nominally mapped criteria, are of limited use when multiple uncertian criteria are concerned. But, Multi-Criteria Evaluation(MCE) techniques offer a means of making complex siting decisions, involving multiple criteria. The integration of GIS and MCE techniques became rational and objective approach to perform land suitability analysis on the basis of multiple criteria. An example application based on the search for suitable sites for the collective facility area in the kimhae daechung park using IDRISI is described.

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Evaluation of Nurses' Competency in Nurse-Patient Communication about Medications: Conversational Analysis Approach (간호사의 투약대화의 구조와 내용에 대한 평가도구 개발 연구: 대화분석적 접근)

  • Son, Haeng-Mi
    • Journal of Korean Academy of Nursing
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    • v.40 no.1
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    • pp.1-13
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    • 2010
  • Purpose: The purpose of this study was to develop evaluation criteria for conversations about medication and to demonstrate conversational analysis with actual dialogues on medication as examples. Methods: This study was a secondary analysis of qualitative research using conversational analysis which showed functional phases and patterns of dialogue about medication (greeting, identifying the patient, medicating, finishing). Nurse-patient conversations were videotaped and transcribed and 75 conversations were used for analysis. Results: Not all functional phases were showed in the conversations about medication. Therefore, conversations about medication can be considered as incomplete dialogues. The evaluation-criteria were represented in terms of the structure and content of the dialogues. Structural evaluation-criteria were the same as the functional phases, as functional stage is the standard for evaluation. The criteria of evaluation for content suggested 3 domains, content, expression, and interaction with 20 items scored on a Likert-type scale of 5-points. Finally, analysis of actual conversations about medication according to the evaluative criteria were provided. Conclusion: The results provide the basic data to develop educational programs and strategies to improve nurses’ competency in conversation about medication.

Food Consumption Culture heed on the Evaluative Criteria Pattern of Eating (식사 평가기준 유형으로 본 음식소비문화)

  • Seo, Jeong-Hui;Hong, Sun-Myeong
    • Journal of the Korean Dietetic Association
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    • v.7 no.2
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    • pp.144-152
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    • 2001
  • This research reviews the characteristics of consumption oriented culture of post modern society and describes the food consumption culture based on the evaluative criteria pattern in eating in Ulsan Metropolitan City. The subjects consisted in 217 full-time housewives and 129 cooks. The evaluative criteria of eating scale with 4 components - the eating atmosphere factor, the preference factor, the quality factor and the table factor- is described and interpreted in the context of consumption oriented culture. 4 clusters were decided through cluster analysis; preference and quality pursuing type, high involvement type, consumerism culture pursuing type and low involvement type. Among socio-economic variables, the evaluative criteria pattern of eating was significantly associated with occupation. The results of factor analysis and cluster analysis proved that the full-time house wives and cooks in Ulsan Metropolitan city showed the propensity to consumption oriented culture in food consumption culture.

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A Study of Clothing Purchase Behaviors According to Subjective Age (주관적 연령에 따른 의복구매행동에 관한 연구)

  • 이은아;김미숙
    • Journal of the Korean Society of Clothing and Textiles
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    • v.24 no.8
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    • pp.1254-1265
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    • 2000
  • The purpose of this study was to examine the differences in clothing purchase behaviors among groups determined by subjective and chronological ages. The subjects of this study were teens and adults of up to 59 years of age residing in Seoul and the Metropolitan areas. Out of 700, 578 were used for final data analysis, Chi-square analysis, ANOVA, Duncans multiple range test and descriptive statistics were used for statistics analysis. The following results were found: the subjects were divided into 3 groups based on the subjective age. All age groups tended to perceive subjective age similar to chronological one. Regarding evaluative criteria for selecting clothes and stores, significant differences were found among all chronological and subjective age groups. By chronological age levels, significant differences were found among subjective age groups except the teens in the evaluative criteria used for purchasing clothing. Significant differences were found among subjective age group in all chronological age brackets in store selection criteria.

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The Development of the Observation Assessment Criteria concerning the Manipulative skills in Elementary School Science (초등학교 과학실험 기구 조작 기능에 대한 관찰 평가 준거 개발 - 초등학교 화학 단원을 중심으로 -)

  • 최행숙;백성혜
    • Journal of Korean Elementary Science Education
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    • v.18 no.1
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    • pp.65-73
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    • 1999
  • The purpose of this study is tile development of tile observation Assessment criteria that is used to assess manipulative skills in elementary science. The procedures of developing observation Assessment criteria are as follows. First, we investigated the actual condition about science process skills assessment with tile questionnaire. Second, we selected 7 experimental apparatus through the analysis of the science textbooks. The selected experimental apparatus are dropper, alcohol lamp, thermometer, test tube, filtering device, able balance, graduated cylinder Third, the observation Assessment criteria arc developed through tile analysis of the related experimental textbooks, the demonstrations, and the questionnaire, Forth, tile validity is verified by science education specialists and graduate students who major in science education. Fifth, the first jilter-rater agreement is investigated in the result of the field with observation criteria of which the validity was verified. The second inter-rater agreement is investigated through the revision and the addition of the criteria with the low agreement. In result, the jilter-rater agreement ranged from 0.86 to 0.98. One of the major problems in observation assessment is the rater's subjective viewpoint. So, this research shows a more specified scale and criteria for the assessment. This suggests that the observation Assessment criteria developed in tile study satisfies the high reliability and validity requirements. Considering the results, this criteria call be used effectively for assessing manipulative skills of elementary school students.

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A Study on Develop An Instrument to Measure the Criteria on Clothing Selection (의복선택기준에 관한 측정지개발의 기초 연구(II))

  • 박은주
    • Journal of the Korean Home Economics Association
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    • v.25 no.4
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    • pp.33-45
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    • 1987
  • The purpose of this study is to analyze the factorial structure of the criteria on clothing selection of the working women, and then to provide the date to develop an instrument to measure the criteria on clothing selection. A total of 877 samples were selected from unmarried female in the twenties. Data were analyzed using factor analysis, Pearson's product-mement correlation coefficients, content analysis and Cronbach's α. The results of the study were as follows; 1. There were identified 7 factors as the clothing selection criteria of the working women; Fashion, Practicality, Modesty, Appearance, Service, Comfort, and Impulse purchase. 2. Comparing with the previous results, we confirmed that the criteria on clothing selection was made up of at least 8 factors; Practicality, Comfort, Brand or price, Impulse purchase, Fashion, Individuality, Modesty, and Service. 3. According to the correlation among 8 factors, they formed two clusters; one cluster contained Practicality, Comfort, and Modesty factor, and the other did Brand or price, Impulse purchase, Fashion and Individuality factor. 4. Service factor was significantly correlated to the other factors, that is, service was the very important criteria on the clothing selection.

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A Study on Clothing evaluative Criteria of Various Clothing Items (II) (의류상품 유형별 평가기준에 관한 연구(II))

  • 김미영
    • Journal of the Korean Home Economics Association
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    • v.26 no.3
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    • pp.1-12
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    • 1988
  • The objectives of the study were two folds. The first objective was to determine the dimensions of the evaluative criteria of various clothing items (underwear, pajamas, jeans, blouse, two-piece, coat). The second objective was to compare the importance of the dimensions according to the clothing items and the socioeconomic status of the subjects. The questionnaires were administered to college female students living in Seoul. Principal component factor analysis with varimax rotation and ANOVA were used for the analysis. The results were as follows; 1) The evaluative criteria dimensions were found to be different according to clothing items. (1) In underwear, pajamas, jeans, evaluative criteria were classified into Aesthetic dimension, economic dimension and Functional dimension. (2) In blouse, two-piece, coat, evaluative criteria were classified into Aesthetic dimension and practical dimension. 2) there were partially significant differences in placing importance on each evaluative criteria dimension between socio-economic groups. (1) In jeans, there was a significant difference in placing importance on Aesthetic dimension between socioeconomic status groups. (2) In blouse and two-piece there was a significant difference in placing importance on Practical dimension between socioeconomic status groups.

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