• 제목/요약/키워드: Evaluation Tools

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공작기계 핵심부품의 신뢰성 평가 ${\cdot}$ 분석에 관한 연구 (A Study of Reliability Evaluation and Analysis for Core Units of Machine Tools)

  • 이승우;송준엽;이화기
    • 한국신뢰성학회지:신뢰성응용연구
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    • 제3권1호
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    • pp.41-58
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    • 2003
  • Recently, the reliability evaluation and analysis are applied for many industrial products, and many products are required to guarantee in quality and in efficiency. The purpose of this paper is to present some of reliability prediction methodologies that are applicable to machine tools. Especially ATC (Automatic Tool Changer) and Interface Card of PC-NC, which are core components of the machine tools, were chosen as the target of the reliability evaluation and analysis. The results of this research has shown the failure rate, MTBF(Mean Time Between Failure), and reliability for those components. It is expected that proposed methodologies will be applicable to evaluation of reliability for other industrial products.

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응급구조(학)과 학생들의 구급현장실습 표준 평가도구의 유용성에 관한 연구 (A study on the usefulness of standard evaluation tools for ambulance ride practices of paramedic students)

  • 홍성기
    • 한국응급구조학회지
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    • 제24권3호
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    • pp.41-53
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    • 2020
  • Purpose: This study tests the validity of a standard evaluation tool of ambulance ride practices with new evaluation items and supports its application by 119 preceptors. Methods: We tested the validity of standard evaluation items collected from 19 on-site professionals assessing ambulance ride practices. New evaluation items, 'understanding of emergency rescue equipment' and 'ability to communicate', were added as additional criteria. The modified Delphi technique was used to test the three evaluation areas and ten evaluation items. We used the analytic hierarchy process to analyze the weighting value of the reconstructed evaluation tool model. Results: All three evaluation areas and 10 evaluation items within the standard evaluation tools used for ambulance ride practices corresponded with the consistency index, degree of convergence, and agreement in the modified Delphi panel. Conclusion: These results provide evidence of the consistency and usefulness behind preceptors' use of this standard evaluation tool in ambulance ride practice.

효율적인 사용성 평가를 위해 협력작업을 지원하는 비디오 분석 도구에 관한 연구 (A Study on the Video Analysis Tool to Support Collaboration for Effective Usability Evaluation)

  • 박정순;신수길
    • 디자인학연구
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    • 제17권3호
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    • pp.373-382
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    • 2004
  • 비디오 프로토콜 분석은 사람과 사람사이 그리고 사람과 기계사이의 상호작용을 이해하기 위해 디자인과 HCI를 포함한 많은 연구 분야에서 널리 사용되고 있는 효과적인 분석기법이다. 그러나 결과의 효용성에 비해 상당한 양의 시간과 노력이 필요하기 때문에 많은 제약을 가지고 있으며, 최근 각 분야의 특성에 맞춰 이런 분석작업을 손쉽게 하기 위해 일인용 컴퓨터를 기반으로 한 다양한 도구들이 개발되고 있다. 본 논문은 여러 프로젝트 참여자들이 함께 사용 가능한 협력지원 비디오 분석에 대해 살펴본다. 먼저 기존 비디오 분석도구의 문제점들과 함께 협업지원 분석도구의 필요성을 기술하고, 협업지원 비디오분석 도구를 위한 디자인기준을 규명한다. 이러한 기준을 바탕으로 개발한 프로토타입을 제시하고 예비평가를 통해 향후 개발방향에 대해 기술한다.

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교수.학습을 중심으로 교사의 정보통신기술 활용 능력 자기 평가 도구 개발 (The Development of A Self-Evaluation Tool for Teachers' Ability to use Information and Communication Technology Based on Teaching.Learning)

  • 박선주
    • 정보교육학회논문지
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    • 제9권4호
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    • pp.583-593
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    • 2005
  • 교육인적자원부는 정보통신기술 활용 교육을 주도해 나가는데 가장 중심이 되는 교사의 정보통신기술 활용 능력을 신장시키기 위해 다양한 방안들을 수립하여 추진하고 있다. 그러나 현재 시행되고 있는 교사의 정보통신기술 활용 능력 신장에 관한 대부분의 노력들은 정보통신기술을 교육활동에 효과적으로 활용할 수 있는 능력보다는 기술 소양 능력에 중점을 두고 있다. 본 연구에서는 교사의 정보통신기술 활용 능력에 관한 국내 외의 평가 도구를 비교 분석하고 각 도구의 장점을 바탕으로 교사의 정보통신기술 활용 능력 자기 평가 도구를 개발하였다. 본 평가 도구를 통해 실제 교수-학습 활동 지도 능력과 정보통신기술 활용 능력을 총체적으로 통합한 평가가 이루어질 수 있을 것이다.

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Can Functional Assessment Tools Reflect Balance Abilities at 3 Months after Total hip Arthroplasty?

  • Kim, Min-Woo;Ryu, Young-Uk
    • 대한물리의학회지
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    • 제13권4호
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    • pp.51-58
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    • 2018
  • PURPOSE: This study was conducted to determine if the Harrison hip score (HHS), a tool for assessing hip joint function, and the Burg balance scale (BBS), a general balance assessment tool, actually reflect the balance ability of total hip arthroplasty (THA) patients 3 months after surgery. In addition, this study investigated the initial weight distribution strategy for bilateral lower extremity after THA surgery to understand the balance of THA patients. METHODS: Fourteen 3-month THA patients performed static dual standing and sit-to-stand (STS) tasks. Ground reaction forces on each leg were collected to calculate the weight distribution symmetricity (SWD), and the HHS, functional HHS (f-HHS), and BBS were evaluated. Correlation analyses between SWD and the HHS (also f-HHS) and BBS were then applied to the THA patients. RESULTS: The correlations between functional evaluation tools (HHS, f-HHS, BBS) and SWD were weak strength for the static balance task, but moderate for the dynamic STS task. Among the evaluation tools used in the present study, f-HHS was most useful for evaluation of dynamic balance ability. CONCLUSION: The results suggest that use of HHS, f-HHS, and BBS as functional evaluation tools does not provide meaningful information regarding balance ability, but that they are useful for evaluating dynamic balance ability of THA patients. The dynamic balance ability at 3 months after THA seems to be under development.

유아 언어능력 평가연구의 동향 분석 -한국학술진흥재단 등재 학회지를 중심으로 (Trend Analysis of Research Using Evaluation Tools of Languages Abilities for Young Children: Based on Early Children Education Journals registered with the Korea Research Foundation)

  • 윤진주
    • 한국생활과학회지
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    • 제16권4호
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    • pp.677-690
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    • 2007
  • This study has a goal to read a trend of language research by analysing evaluation tools and methods that researchers have used for assessing young children's language abilities. Thus the study has chosen 237 language ability evaluation methods out of 121 young child's language ability evaluation researches. The treatises were selected from 4 types of early childhood education journals registered on the Korea Research Foundation. The data analysis was employed for processing the frequency and percentage of the collected data. The results were as follows: First, of single age groups the subject group most selected was five-year-olders and of mixed-age groups the subject group most selected was from three to five, and the number of subjects in researches were mostly below fifty children. The researches were sorted into an 'experimental/ investigational researching' type that has been frequently re-utilized by others, an 'interview type' using a data collection method, and a 'difference verification' type using a data analysis method which has been used in majority of studies. Second, the number of treaties that required data analysis has increased since 1996. Concludingly, the analysis of young child's language ability evaluation tools shows that the purposes of many researches were concentrated on studying children's knowledge about language, children's language functions such as speaking, reading, writing and listening, while evaluation contents were focused on speaking and writing.

A Comparison of the Results from Somatotype Evaluation with Different Evaluation Tools

  • Choi, Wan-Suk;Choi, Jung-Hyun;Cho, Mi-Suk;Moon, Ok-Kon;Park, Joo-Hyun;Chung, Hyung-Kuk;Lee, Suk-Hee;Lee, Jung-Sook;Min, Kyung-Ok
    • 국제물리치료학회지
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    • 제1권1호
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    • pp.65-72
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    • 2010
  • Supposing that somatotype evaluation results would have significant differences between the public group with less amounts of exercises and the special group with intensive exercises for three to four times a day, this study aimed at comparing the mutual consistency between the results determined by somatotype evaluation tools such as visually calculated index(VCI), R$\ddot{o}$hrer's Index(RI) and Body Mass Index(BMI). The public, taekwondo players and judo players groups were composed of fifty persons, taekwondo players and judo players passed through VCI determination, respectively. Their height and weight were examined and analyzed with somatotype evaluation tools. Comparison of somatotype dispersion of RI and VCI showed that most women were determined by VCI as lean type but were determined by RI as normal type. And that women were determined by VCI as fat type but were determined by RI as normal type. Therefore both men and women showed significant differences in VCI and RI. Comparison of somatotype dispersion of VCI and BMI showed that both men and women were overestimated or underestimated by VCI rather than by BMI. Comparison of somatotype dispersion of RI and BMI showed that men were less determined by BMI as lean type compared with women; both men and women less determined by BMI rather than by RI as normal type; and both men and women, in particular, were more determined by BMI as fat type but men were more determined by BMI rather than by RI as fat type. Total somatotype consistency by tools showed that VCI has the greatest possibility of determining the public group, compared with other groups as lean type and that the consistency of the three tools were relatively higher for the taekwondo players and judo players groups, compared with the public.

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뇌 동맥류성 지주막하출혈 환자간호의 질 평가 도구 개발 (Development of a Quality Evaluation Tool for Aneurysmal Subarachnoid Homorrhage Patient Care)

  • 배소현;신성례
    • 성인간호학회지
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    • 제15권4호
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    • pp.628-638
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    • 2003
  • Purpose: The purpose of this study was to develope a evaluation tool of the quality of nursing care for aneurysmal subarachnoid hemorrhage patients at Hunt & Hess Grade I~III. Method: The data was gathered from April 15, 2002 to June 14, 2002. The tool proceeded in six steps according to Bloch's framework. Result: The results of this study are as follows: 1) The quality evaluation tool for neurosurgery ICU consisted of 25 standards and 138 criteria. The quality evaluation tool for ward consisted of 27 standards and 144 criteria.; 2) The content validities of the tools for neurosurgery ICU and ward were 0.96 and 0.98, respectively.; 3) The Pearson coefficients for evaluating the interrated reliability of the tools for neurosurgery ICU and ward were r=0.9106 (p<0.1) and r=0.8807 (p<0.1), respectively.; 4) The ranges of corrected item-total correlations for evaluating the construct validity of the tools for neurosurgery ICU and ward were 0.0279~0.9354 and 0.0174~0.9682, respectively.; And 5) The ranges of Cronbach's ${\alpha}$ reliabilities for evaluating the internal consistency reliability of the tools for neurosurgery ICU and ward were 0.6040~0.8554 and 0.6212~0.9584, respectively. Conclusion: The tools developed in this study seem useful in evaluating the quality of nursing care for aneurismal subarachnoid hemorrhage patients at Hunt & Hess Grade I-III.

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대학 강의평가 도구 개선 방안 연구 -"A" 대학의 강의평가 문항 개선 사례- (A Study on the Improvement of a Lecture Evaluation Tool in Higher Education -A case of improvement of a lecture evaluation questionnaire in "A" university-)

  • 박혜림
    • 한국산학기술학회논문지
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    • 제13권11호
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    • pp.5033-5043
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    • 2012
  • 본 연구의 목적은 현행 A대학의 강의평가 문항의 문제점을 보완하고 강의의 질 제고라는 강의평가의 본래 목적에 부합하도록 강의평가 문항을 개선하는 것이다. 이를 위하여, 대학 교육에서의 좋은 수업의 의미, 선행 연구의 강의평가 영역 및 요소, A대학의 현행 강의평가 도구의 내용 및 문제점을 살펴보았으며, 이를 토대로 개선안을 제시하였다. 연구 결과로 제안된 개선안의 주요한 특징은 다음과 같다. 첫째, 평가 영역, 평가 항목, 평가 문항의 구성 체계를 재구성하였다. 둘째, 강의 개선에 중요한 정보를 제공하기 위해 대학에서의 좋은 강의의 특징을 토대로 문항을 개발하였다. 셋째, 선행 연구의 강의평가 도구들이 공통적으로 제시하고 있는 평가 요소 등과 관련한 문항을 개발하였다. 넷째, 강의의 질 제고를 위해 필요한 정보가 있다면, 산술평균으로 결과를 제시할 수 없더라도 관련 문항을 개발하였다. 다섯째, 현행 강의평가 문항의 문제점으로 지적된 부분을 수정 보완하였다.

온톨로지 자동추출도구의 기능적 성능 평가를 위한 평가지표의 개발 및 적용 (Measurement Criteria for Ontology Extraction Tools)

  • 박진수;조원진;노상규
    • 지능정보연구
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    • 제14권4호
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    • pp.69-87
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    • 2008
  • 이제 인터넷은 시맨틱 웹(Semantic Web)의 형태로 진화 발전하고 있다. 그 결과 시맨틱 웹의 지식을 표현하는 백본 인 온톨로지가 매우 중요하게 인식되고 있다. 그러나 온톨로지를 구축하는 것은 많은 시간과 자원을 필요로 하는 작업이다. 이로 인해 온톨로지 추출도구(ontology extraction tool)에 대한 개발의 필요성이 지난 십여 년간 제기되어 왔으며, 온톨로지를 자동으로 추출하거나 온톨로지 구축을 돕는 도구들이 개발되었다. 그러나 여러 온톨로지 자동추출도구들 중에 구축하고자 하는 온톨로지의 사용자 요구사항에 적합한 자동추출도구를 선택하기 위해서는 이런 도구들에 대한 평가지표가 필요하다. 하지만, 현재 이런 도구들을 평가하기 위한 포괄적인 평가 프레임워크(comprehensive evaluation framework)가 존재하지 않는다. 본 연구에서는, 문헌연구를 수행하여 온톨로지 자동추출도구가 갖춰야 할 핵심 요소들을 찾고, 온톨로지 추출도구들을 평가하기 위한 일련의 평가지표들을 개발했다. 또한 본 연구에서 제안하는 평가지표에 따라 온톨로지 자동추출도구인 OntoLT, Text-To-Onto, TERMINAE, OntoBuilder를 평가해 보았다.

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