• Title/Summary/Keyword: Result Analysis and Evaluation

Search Result 5,763, Processing Time 0.047 seconds

Quality Evaluation of Ultrasonographic Equipment Using an ATS-539 Multipurpose Phantom in Veterinary Medicine

  • Cho, Young-kwon;Lee, Youngjin;Lee, Kichang
    • Journal of Veterinary Clinics
    • /
    • v.39 no.3
    • /
    • pp.114-120
    • /
    • 2022
  • The purpose of this study is to examine the status of quality control using multipurpose phantom of ultrasound equipment used in hospital of veterinary college in South Korea by using ATS-539 multipurpose phantom so as to examine quantitative and objective new image evaluation method. Specialists discussed and analyzed multipurpose phantom images acquired by using convex transducer of 10 ultrasound imaging devices, currently used in 9 veterinary colleges, at 4.0-6.0 MHz. Total 8 items that can be measured with ATS-539 multipurpose phantom including dead zone, vertical and horizontal measurement, axial/lateral resolution, sensitivity, focal zone, functional resolution and gray scale/dynamic range were evaluated. For qualitative evaluation, valid decisions were made based on dead zone, axial/lateral resolution, and gray scale/dynamic range which are resolution index, and coefficient of variation (COV) and blind referenceless image spatial quality evaluator (BRISQUE) were found to increase objectivity. As a result of experiment, all the targeted ultrasonic devices were found appropriate from qualitative evaluation items of dead zone, axial/lateral resolution, and gray scale/dynamic range. In other evaluation items, they were found to be appropriate from focal zone and vertical measurement of quantitative evaluation while inappropriate from horizontal measurement, sensitivity, and functional resolution. COV value was 0.12 ± 0.04, and BRISQUE value was 47.77 ± 2.77, both analysis results show that the noise level of all ultrasonic devices was located within tolerance range. Upon image examination using ATS-539 multipurpose phantom, they were 100% appropriate with inspection standards of dead zone, axial/lateral resolution, and gray scale/dynamic range, and besides, focal zone and functional resolution can be used as evaluation items. In the field of veterinary medicine, 8 standard items using ATS-539 multipurpose phantom and image evaluation items using COV and BRISQUE can be used as standards for quality control of ultrasonography machine.

Development and Implementation Effects of Home Economics Community Housing Classes for Improving Empathy Ability of Middle School Students (중학생 공감능력 향상을 위한 가정과 공동체주택 수업 개발 및 실행 효과)

  • Hee Sun Kim;Eun Young Jee
    • Human Ecology Research
    • /
    • v.61 no.3
    • /
    • pp.361-373
    • /
    • 2023
  • The purpose of this study is to develop and apply a teaching-learning plan of apartment house class to improve middle school students' empathy for home economics education and to verify its effect. The study was conducted in five stages: analysis, design, development, implementation, and evaluation using the ADDIE model. In the analysis phase, the study set learning objectives after analyzing how community housing is dealt with in the 2015 revised home economics curriculum and 12 current technology and home economics textbooks. In the design and development stage, in order to evaluate the validity of the experts and to improve the empathy ability, the study goal design, the composition of the learning elements, the development of the learning materials, and the pre and post-questionnaire for the students were developed. In the implementation stage, the empathic ability evaluation was carried out before and after the beginning of the first class by applying the teaching-learning process plan of the 8th class. In the evaluation stage, we examined whether the teaching-learning process developed in this study has a significant effect on empathy ability by evaluating the pre-post difference of empathy ability. As a result of examining the results of the pre - and post - evaluation of empathy ability for the results of this study, both cognitive and communicative factors were improved, and the apartment house class had a significant effect on the improvement of empathy ability.

Relationship of TBL Component in Corporate Sustainable Management of Fashion Company with Company Evaluation and Brand Image (의류업체의 지속가능경영 TBL 구성요소와 기업평가 및 브랜드 이미지)

  • Na, Dongkyu;Lee, Jeongwon;Na, Youngjoo
    • Fashion & Textile Research Journal
    • /
    • v.16 no.2
    • /
    • pp.293-300
    • /
    • 2014
  • Fashion companies confront to environmental problem and resource depletion and have to consider 'sustainability' into their management. Corporate sustainable management of company is explained as the model of Triple Bottom Line which is composed of economic, social and environmental elements, thus we wanted to adapt this model to the case of fashion companies and the purpose of this study is to investigate the relationship among the TBL elements which contain the economic, social and environmental responsibility, the evaluation on fashion company including the reliability, reciprocality and reputation of company, and the evaluation of brand image. We conducted the survey of questionnaire about 300 people in their 20's and performed statistical analysis. As a result, the elements of corporate sustainable management in fashion company are related to the company evaluation, and again company evaluation is correlated to the evaluation of brand image. Economic responsibility of fashion company is related with the reliability of company evaluation, social responsibility of fashion company with the reciprocality and reputation of company evaluation, and environmental responsibility is deeply related with reciprocality of fashion company's evaluation. The results of this study revealed the importance of corporate sustainable management of fashion companies, and the relationships in fashion industry are stronger than in other industry.

Study on Variation of Endemic Mumps Viruses in Korea (한국에서 분리된 유행성이하선염 바이러스 변이에 관한 연구)

  • Min, Kyung-Il;Kim, Do-Keun;Cho, Soo-Yeul;Ahn, Kwang-Soo;Min, Bok-Soon;Kim, Byoung-Guk;Ban, Sang-Ja;Hur, Sook-Jin;Park, Sue-Nie;Lee, Kil-Ung
    • The Journal of Korean Society of Virology
    • /
    • v.30 no.2
    • /
    • pp.113-124
    • /
    • 2000
  • We had isolated 8 viruses from 91 specimen collected at southwest Cheju Province during early spring 1998 and 2 viruses from 9 specimen collected at Chung Nam Province during early spring 1999. To perform cross-reactivity among 4 mumps vaccine strains and 10 wild-type mumps viruse isolates, we immunized mice and took antisera against each virus. There were no antibody titer differences by indirect immunofluorescence assay (IFA), but most isolated mumps viruses showed a little cross-reactivities with Jeryl Lynn and Rubini strains. It has shown similar result by haemagglutination-inhibition (HAI) test. These results show that 4 mumps strains used as vaccine have the protection ability against endemic wild-type mumps viruses. Also the SH gene analysis was performed to identify genotypes. Most isolated mumps viruses belonged to genotype D. These results indicate that endemic mumps viruses in Korea are different to ones isolated in Japan and China.

  • PDF

A Study on the Development of Patterns for the Improvement of Fit of Brassiere - Comparative Analysis of Sample Brassiere with Products of Underwear Brands for 1924 Generation - (브래지어의 맞음새 향상을 위한 패턴개발 연구 -l924세대용 언더웨어 브랜드 시판제품과의 비교분석-)

  • Oh, Song-Yun;Choi, Hei-Sun
    • Journal of the Korean Society of Clothing and Textiles
    • /
    • v.31 no.5 s.164
    • /
    • pp.729-741
    • /
    • 2007
  • In order to examine the characteristics of brassiere products for the 1924 generation brands on the market and grasp problems, we selected three 'comparative brassieres', each one from among the 1924 underwear brands with the highest recognition and sales profit, and then designed a 'sample brassiere' pattern(75A) with a similar shape to the comparative brassieres. We set up the "New Cup Grading Rule" with a view of reflecting the wearing effect that was varied according to cup sizes, graded the sizes of 75AA and 75B with this method, and made the sample brassieres in three sizes. We conducted the wearing evaluation and body measurements of 9 subjects after analyzing the patterns and characteristics of the sample brassieres and three comparative brassieres. As a result of the wearing evaluation, the sample and comparative brassiere 2, the dimensions and shapes were appropriate for the 1924 generation consumers and expressed an overall natural silhouette, showed satisfactory results in the entire evaluation questions. On the other hand, the comparative brassiere 1 and 3 that tended toward making a big change in the physical characteristics got unsatisfactory evaluations in the dimensions of the cups, clothing pressure, and bust silhouette. As a result of observing the variation in body dimensions by body measurements when nude and when wearing each brassiere and then summing it up with the score of the wearing evaluation, it was proven that too much change in body shape can create a negative image by upsetting the balance of the whole silhouette. Therefore, it is desirable to develop brassiere products with proper dimensions and clothing pressure that can make a physical change that harmonizes the overall bust silhouette and the position and shape of the breasts.

Clothing Behavior by Value Group of Baby Clothes Purchasers (유아복 구매자들의 가치집단에 따른 의복구매행동)

  • Park, Ok-Lyun;Lee, Ji-Na
    • Korean Journal of Human Ecology
    • /
    • v.19 no.1
    • /
    • pp.127-136
    • /
    • 2010
  • This research subdivided the groups of baby clothes purchasers by consumer value factors in order to study clothing behavior by the value group of baby clothes purchasers and to examine differences in shopping propensity, pursuit benefits, evaluation criteria, and utilization of information sources depending on the value groups 1. A total of three factors - the pursuit of a stable life, the pursuit of achievement, and the pursuit of pleasure - were derived by conducting a factor analysis on the value dimensions of baby clothes purchasers. The value types of baby clothes purchasers were classified into three groups - the group of the pursuit of achievement, the group of the pursuit of stability and pleasure, and the passive group as the result of conducting cluster analysis on the basis of three types of personal value factors. 2. In the difference of shopping propensity by the value group, the group of the pursuit of achievement and the group of the pursuit of stability and pleasure were found to be the group having economical shopping propensity. In the difference of pursuit benefits by the value group, the passive group appeared to be the group in pursuit of fashion, and it could be seen that the group of the pursuit of achievement and the group of the pursuit of stability and pleasure were highly interested in the pursuit of individuality and practicality. 3. In the evaluation criteria of clothes by the value group of baby clothes purchasers, the group of the pursuit of achievement was found to consider physical criteria as important evaluation criteria, and the group of the pursuit of stability and pleasure was found to consider aesthetic criteria as important evaluation criteria. In the utilization of information sources by the value group of baby clothes purchasers, the passive group was found to be influenced most by market-oriented information sources.

Meta-Analysis: Effects of Neurofeedback Training Programme in Korea (뉴로피드백 훈련 프로그램(생기능자기조절 훈련) 효과에 대한 메타분석 - 국내 연구를 중심으로)

  • Cheong, Moon Joo;Chae, EunYoung;Kang, Hyung Won
    • Journal of Oriental Neuropsychiatry
    • /
    • v.27 no.3
    • /
    • pp.157-167
    • /
    • 2016
  • Objectives: This study was undertaken to evaluate the effectiveness of the Neurofeedback training programme (NFT), and systematically search for factors related to the NFT.Methods: This study applied meta-analysis to thesis and journal articles published in Korea. A total of 42 papers published between 2001 to August in 2015 were evaluated, which were selected through a database search.Results: Summarizing the evaluation, the quality of results was low. The meta-analysis revealed that the effect size of the neurofeedback programme training was 0.691, over the median. Also, the variables were statistically significant to the neurofeedback programme training effect, and were consistent with the subject characteristics, their disabilities/non disabilities, and level of education. The results were also statistically significant to the neuro-feedback programme training effect according to the research method (training method), the sessions per a week, total sessions, and training time.Conclusions: The RoBANS result of 42 studies is at a risk of being highly biased. However, statistically, the meta-analysis result of the factors evaluated is significantly high.

A Study on Measuring the Effects of Continuing Education of Librarian Teachers Using Kirkpatrick Education Model (Kirkpatrick 평가모델을 활용한 사서교사 계속교육 효과 측정 연구)

  • Euikyung Oh
    • Journal of the Korean BIBLIA Society for library and Information Science
    • /
    • v.34 no.2
    • /
    • pp.295-311
    • /
    • 2023
  • The purpose of this study is to systematically measure the effectiveness of continuous education of librarians using the Kirkpatrick education evaluation model. A three-stage educational evaluation was conducted on 136 librarian teachers who participated in the 『Qualification training for librarian teacher level 1』 in the summer of 2022. The first stage was a satisfaction survey on the overall education, and the second and third stages were investigated before and after education, and the actual effect of education was measured by pre-post difference analysis. The second stage is learning evaluation, and the third stage is job competency improvement evaluation. As a result of the study, high measurement scores were calculated at all stages, and the before and after effect of education was statistically significant in the second stage of learning evaluation. In the third stage of the job competency improvement evaluation, the score fell after education, but it was not statistically significant. Significant results were derived from the second stage of evaluation, and future studies suggested that the evaluation model should be supplemented and that a balanced curriculum should be designed to produce valid results.

A quantitative assessment method of network information security vulnerability detection risk based on the meta feature system of network security data

  • Lin, Weiwei;Yang, Chaofan;Zhang, Zeqing;Xue, Xingsi;Haga, Reiko
    • KSII Transactions on Internet and Information Systems (TIIS)
    • /
    • v.15 no.12
    • /
    • pp.4531-4544
    • /
    • 2021
  • Because the traditional network information security vulnerability risk assessment method does not set the weight, it is easy for security personnel to fail to evaluate the value of information security vulnerability risk according to the calculation value of network centrality, resulting in poor evaluation effect. Therefore, based on the network security data element feature system, this study designed a quantitative assessment method of network information security vulnerability detection risk under single transmission state. In the case of single transmission state, the multi-dimensional analysis of network information security vulnerability is carried out by using the analysis model. On this basis, the weight is set, and the intrinsic attribute value of information security vulnerability is quantified by using the qualitative method. In order to comprehensively evaluate information security vulnerability, the efficacy coefficient method is used to transform information security vulnerability associated risk, and the information security vulnerability risk value is obtained, so as to realize the quantitative evaluation of network information security vulnerability detection under single transmission state. The calculated values of network centrality of the traditional method and the proposed method are tested respectively, and the evaluation of the two methods is evaluated according to the calculated results. The experimental results show that the proposed method can be used to calculate the network centrality value in the complex information security vulnerability space network, and the output evaluation result has a high signal-to-noise ratio, and the evaluation effect is obviously better than the traditional method.

Analysis on the effects that affect the organizational achievement by each factor of the multi-rater feedback system of public enterprises (공기업 다면평가제도의 각 요인별 조직성과에 미치는 영향 분석)

  • Kang, Jae-An;Cho, Sung-sook
    • Journal of the Korea Academia-Industrial cooperation Society
    • /
    • v.10 no.9
    • /
    • pp.2424-2434
    • /
    • 2009
  • This study, centering on public enterprises, has been conducted from 4 different perspectives such as grasping the effects that the factor precedent of the multi-rater feedback affects on the usefulness of evaluation and the effects that the usefulness of evaluation affects on the organizational achievement, checking on whether there is any discrepancy among the effects affecting on the usefulness of evaluation in accordance with the degree of advance training on the evaluation system, and being what kind of effects the usefulness of valuation that the appraised eventually understand affects on the organizational achievement. As result of the study, the factor precedent that are confidence of the appraisers and the support from CEO reasonably affected on the usefulness of evaluation, but the standard referred to evaluation was not reasonable. It became resultantly clear that the confidence of the appraisers held the effect of control from the verification of whether there is the effect of control between the factor precedent and the usefulness of evaluation in accordance with the degree of advance training. However, it turned out that the standard referred to evaluation and the support from CEO held no effect of control. As result, It was possible to confirm that the usefulness of evaluation in this study affects directly or indirectly to the organizational achievement such as organizational immersion, job satisfaction, self development opportunity, and organizational revitalization as influenced by the prior factors, and the advance training was partially effective on the adjusting effect.