• Title/Summary/Keyword: measuring tools

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Creating Generic Cluster Indicators based upon an Agent-centred Cluster Framework (행위주체 중심 클러스터 사고 틀에 기반한 클러스터 지표 개발에 관한 연구)

  • Jeong, Jun-Ho;Kim, Hag-Soo
    • Journal of the Economic Geographical Society of Korea
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    • v.13 no.3
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    • pp.416-441
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    • 2010
  • This paper attempts to develop a framework articulating a suite of indicators of cluster development, based upon existing work on the economic geography of clusters, cluster frameworks and indicators and cluster policies. Unlike other work the framework adopted here emphasizes adaptive and proactive roles played by agents, whether individual or collective, within the cluster when understanding it as a learning environment to capture an implication made from adopting the cluster perspective. Some possible indicators are operationalized and suggested even if they are not definitive and exhaustive. The conceptual framework and the specific indicators suggested can provide policy-makers and key stakeholders in clusters with a proper set of tools for measuring the level of cluster development, maneuvering a broader strategic planning exercise for successful cluster development.

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Government Website Accessibility: Comparison between Korea and the United States (한국과 미국 정부기관의 웹사이트 접근성 평가)

  • Hong, Soon-Goo;Cho, Jae-Hyung;Lee, Dae-Hyung
    • Information Systems Review
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    • v.7 no.1
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    • pp.81-96
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    • 2005
  • Because the web sites are in common today, the access to the web for disabled people and old aging people, what we call accessibility, becomes more important. Even though efforts to reduce the informational gap resulted from the lack of the accessibility have been carried out, the studies in this field in Korea are not still in popular. In this study, previous research on the measurements for the accessibility is reviewed and then a new model measuring accessibility is suggested. To increase the validity of the measurement, both an automated tool and a manual test are employed. First we used the 'A-Prompt', one of the popular automated validation tools and analyzed web sources, and applied manual tests by HPR Screen Reader. With the error rates calculated, the accessibility of the government web sites between Korea and the United States was compared and finally the conclusions were drawn.

Development of Precision Drilling Machine for the Instrumentation of Nuclear Fuels (핵연료계장을 위한 정밀 드릴링장치 개발)

  • Hong, Jintae;Jeong, Hwang-Young;Ahn, Sung-Ho;Joung, Chang-Young
    • Journal of the Korean Society for Precision Engineering
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    • v.30 no.2
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    • pp.223-230
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    • 2013
  • When a new nuclear fuel is developed, an irradiation test needs to be carried out in the research reactor to analyze the performance of the new nuclear fuel. In order to check the performance of a nuclear fuel during the irradiation test in the test loop of a research reactor, sensors need to be attached in and out of the fuel rod and connect them with instrumentation cables to the measuring device located outside of the reactor pool. In particular, to check the temporary temperature change at the center of a nuclear fuel during the irradiation test, a thermocouple should be instrumented at the center of the fuel rod. Therefore, a hole needs to be made at the center of fuel pellet to put in the thermocouple. However, because the hardness and the density of a sintered $UO_2$ pellet are very high, it is difficult to make a small fine hole on a sintered $UO_2$ pellet using a simple drilling machine even though we use a diamond drill bit made by electro deposition. In this study, an automated drilling machine using a CVD diamond drill has been developed to make a fine hole in a fuel pellet without changing tools or breakage of workpiece. A sintered alumina ($Al_2O_3$) block which has a higher hardness than a sintered $UO_2$ pellet is used as a test specimen. Then, it is verified that a precise hole can be drilled off without breakage of the drill bit in a short time.

An Effect of the Secondary Stroke Prevention Education Program on Self-care of Acute Ischemic Stroke Patients (뇌졸중 이차예방 교육프로그램이 급성기 허혈성 뇌졸중환자의 자가간호수행에 미치는 효과)

  • Kang, Sun Mi;Yeun, Eun Ja
    • Korean Journal of Adult Nursing
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    • v.17 no.4
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    • pp.646-655
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    • 2005
  • Purpose: This study was conducted to examine the effects of the secondary stroke prevention education program to inhibit the recurrence of the acute ischemic stroke patients, and to maintain and promote knowledge about stroke, self-efficacy and self-care. Method: This study was designed to take a quasi-experimental pre- and post-test with the nonequivalent control group. The experimental group consists of 20 patients and control group consists of 20 patients. The experimental group was applied the secondary stroke prevention education program. In order to verify the effects of the secondary stroke prevention education program, knowledge about stroke, self-efficacy and self-care scale were measured before the intervention and 4 weeks, 12 weeks after discharge. The tools for measuring knowledge about stroke, self-efficacy and self-care are developed by the researcher. The data was analyzed by SPSS win 10.0 program using $x^2-test$, Fisher's Exact Test, t-test, Kolmogorov-Smirnov Z, and Repeated Measures ANOVA. Result: There was a statistically significant difference in knowledge about stroke (F=4.021, p=.026), self-efficacy(F=6.096, p=.018), and self-care(F=8.026, p=.007) between the experimental and the control group after intervention. Conclusion: It is considered that the program can be used as an effective nursing intervention in clinical practice.

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Reliability and Validity of Turkish Version of the Caregiver Quality of Life Index Cancer Scale

  • Yakar, Hatice Karabuga;Pinar, Rukiye
    • Asian Pacific Journal of Cancer Prevention
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    • v.14 no.7
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    • pp.4415-4419
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    • 2013
  • Background: Measuring effects of cancer on family caregivers is important to develop methods which can improve their quality of life (QOL). Nevertheless, up to now, only a few tools have been developed to be used in this group. Among those, the Caregiver Quality of Life Index-Cancer Scale (CQOLC) has met minimum psychometric criteria in different populations in spite of conflicting results. The present study was conducted to evaluate reliability and validity of CQOLC among Turkish cancer family caregivers. Materials and Methods: The CQOLC was administered to 120 caregivers, along with Beck Depression Inventory (BDI), Medical Outcomes Study MOS 36- Item Short Form Health Survey (SF-36), State-Trait Anxiety Inventory (STAI), and Multidimensional Scale of Perceived Social Support (MSPSS). Internal consistency and test-retest stability were used to investigate reliability. Construct validity was examined by using known group method, convergent, and divergent validity. For the known group method, we hypothesized that CQOLC scores would differ between depressed and non-depressed subjects. We investigated convergent validity by correlating scores for CQOLC with scores for other similar measures including SF-36 and STAI. The MSPSS was completed at the same time as CQOLC to provide divergent validity. Results: The values for internal consistency and test-retest correlation were 0.88 and 0.96, respectively. The CQOLC discriminated those who were depressed from those who were not. Convergent validity supported strong correlations between CQOLC scores and two main component scores (PCS, MCS) in SF-36 although there was a weak correlation between CQOLC and STAI scores. Regarding divergent validity, the correlation between CQOLC and MSPSS was in the low range, as expected. Conclusions: The Turkish CQOLC is a reliable and valid tool and it can be utilized to determine QOL of family caregivers.

Design and Characteristic Measurement of 8000 mm Large Aperture Integrating Sphere

  • Zhang, Zhao;Wan, Zhi;Li, Xiansheng;Liu, Hongxing;Sun, Jingxu;Liu, Zexun;Wang, Yamin;Ren, Jianwei;Ren, Jianyue
    • Journal of the Optical Society of Korea
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    • v.20 no.4
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    • pp.500-509
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    • 2016
  • Integrating spheres play a central role in the radiometric calibration of remote sensors. With the development of the wide field of view (FOV) remote sensors, aperture diameters of remote sensors are becoming larger and larger. To satisfy the radiometric calibration requirements of full FOV and full aperture, an 8000mm diameter large aperture integrating sphere uniform source with a variable exit port was designed and manufactured. This integrating sphere will be used for pre-launch test and radiometric calibration of remote satellites. In this paper, optical theories were used to design the output spectral radiance. The LightTools software based on ray-tracing simulation method was used to determine the best combination and distribution of inner light sources. A spectral experiment was made to verify the spectral radiance design. To reduce the influence of longtime power-on, a new characteristic measurement method was developed to obtain the radiation characteristic of the integrating sphere, which could greatly improve the measuring efficiency. This method could also be applied to measure other large aperture uniform sources. The obtained results indicate that the spatial uniformity is 98.35%, and the angular uniformity at center position is 98.78%.

A Study on the Detecting Accuracy of EM Induction Survey Data of Buried Utility (전자유도 탐사를 이용한 지하매설물 탐지 정확도 분석)

  • Kwon, Hyoung-Seok;Choi, Joonho;Hwang, Daejin;Kim, Munjae;Yoon, Jeoungseob
    • Journal of Korean Society of societal Security
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    • v.1 no.4
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    • pp.73-81
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    • 2008
  • Electromagnetic induction surveys are one of the useful methods to detect the location and buried depth of underground utilities by measuring horizontal and vertical magnetic fields. It can effectively detects single buried utility with the accuracy of within 20 cm. However when another utility is buried near to target one, the accuracy of utility location considerably decreases due to the distortion of magnetic fields caused from adjacent utility. This study shows the ways to verify the location and buried depth of target utility when magnetic fields does not show symmetric distribution due to adjacent another utility. Using Bluetooth wireless communication tools, we developed the way to records measured magnetic fields to handheld PDA. We investigated the criteria for minimum distance of two adjacent utilities to separate the individual responses through field model test.

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A Study on the Effect of Preoperative Nursing Informations on the Self-Care in Abdominal Surgery Patients. (수술전 간호정보 제공이 복부수술환자의 자가간호 수행에 미치는 영향)

  • Park Duck-Soon;Kwon Young-Sook;Park Chung-Ja
    • Journal of Korean Academy of Fundamentals of Nursing
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    • v.6 no.3
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    • pp.583-596
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    • 1999
  • The purpose of this study was to examine the effect of self-care of abdominal surgery patients in surgical intensive care unit after offering preoperative nursing information. This study worked out nonequivalant control group post test only design as suspected experimental study. This subjects of the study were 45 patients, 23 in experimental group and 22 in control group. This study was carried at a university hospital in Taegu between January 12, 1999 and March 13, 1999. The experimental group was supplied with preoperative nursing information and the control group received routine care in ICU. The measuring tools of this study were assessment of the self-care role behavior. The data were analyzed by SPSS computer program, $x^2-test$ and t-test and ANOVA were utilized for testing the difference between the experimental and the control group. The hypothesis was examined by t-test. The result of this study are summarized as follows ; 1) The hypothesis, 'The experimental group will show a higher level of self-care than the control group' was accepted(t=-8.958, p=.000). 2) We could not find any meaningful relation about general characteristics and disease associated characteristics between the experimental and the control group. 3) The self-care behavior scores according to the general characteristics and disease associated characteristics show significant statistical difference by economics status (p=.033). 4) The rate of self-care behavior scores of each questionnaire are below average in the questions that request active activity to prevent postoperative complications From the result of this study, the self-care of the experimental group was higher than those of the control group, and the nursing information can be regarded as an effective nursing intervention for preoperative patients.

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A Study of college Women's view on Marriage According to Self-Actualization Degree -centering around seoul city- (여대생의 自我實現性에 따른 결혼관에 관한 연구-서울시를 중심으로-)

  • 정현아;서병숙
    • Journal of Families and Better Life
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    • v.3 no.1
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    • pp.94-106
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    • 1985
  • The purpose of this study is to apprehend college women's views on marriage in order to systematize the view theoretically, and to investigate the relationship between the self-actualization and their marriage perspective. Futhermore, it is my hope to provide some basic materials for making an desirable view on marriage. The measuring tools used for preparing this study are self-actualization test, which were designed originally by Shostrom and standardized to be suitable for Korean society by Kim Jae Ean and Lee Kwang Ja and a questionnaire about one's view on marriage. Statistical methods such as frequency, percentile, arithmetic mean, analysis of variances(X2 and F values)were used for data analysis. The results of this study are as follows; 1) It is revealed that more than half(59.7%) of the college women achieve normal or above normal degree of self-actualization. 2)It is revealed that most college women's attitude toward matrimony is positive and they have a large acquaintance with the opposite sex. Especially, they are eager to became employed after entering into matrimony. 3) It is revealed that the more satisfaction a college woman's mother feels about her own matrimony, the more positive attitude her daughter has toward marriage. some college women who do not want to have a child have a positive attitude toward divorce. This means that their matrimony depends upon their view of marriage. 4) It is revealed that the more self-actualization college women feel, the more negative attitude they have toward selecting their husband. 5)It is revealed that the less self-actualization college women feel, the more negative attitude they have toward having a large acquaintance with the opposite sex and they have a dependent attitude toward living with their parents 6) It is revealed that most college women want their husband to have higher academic career than hers regardless of her own self-actualization degree and they want have a job after entering into matrimony. It seems to be dispassionate reflection of contemporary thought.

The Development of Assessment Tools to Measure Scientific Creative Problem Solving ability for Middle School Students (중학생의 과학 창의적 문제 해결 능력을 측정하기 위한 도구 개발)

  • Park, In-Suk;Kang, Soon-Hee
    • Journal of The Korean Association For Science Education
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    • v.32 no.2
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    • pp.210-235
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    • 2012
  • The purpose of this study was to develop a valid and reliable assessment tool for measuring scientific creative problem solving ability for middle school students. To achieve this aim, an assessment framework, four assessment items, and detailed rubrics for scientific creative problem solving were developed. The assessment framework had three dimensions (i.e. science contents, inquiry process, and thinking skills) and sub-elements for each dimension. The assessment items were tested with 320 middle school students in order to determine reliability, difficulty, and item discrimination. Science teachers and experts in science education checked the validity of the items and the rubrics. The results proved that the assessment tool was reliable enough to evaluate students' scientific creative problem solving skills.