• Title/Summary/Keyword: Choice confidence

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An Induction plan of Electronic Evaluation Sytem for Government R&D Program (국책과제 전자평가시스템 도입방안)

  • 송학현;최세하;조재영;김윤호
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.6 no.7
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    • pp.1020-1025
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    • 2002
  • Government R&D Programs' success and failures depend on the choice of the excellent project from diverse proposal. Therefore project evaluation process should be transparency, objectivity and confidence. Institute of Information Technology and Assessment(IITA) working for the Ministry of Information and Communication(MIC). IITA management the informatization fund and government R & D program. IITA have execute choice of R & D project and assessment proposals and reformed the system of evaluation. This advanced evaluation system made in the end of the 90's and adapted it to the college basic R & D program in 1999. Advanced evaluation system is electronic and remote system. This advantage is very shift and correct to process. So the system save the task and money from 46% to 78%. But it is some Problem, security and technical experts for the choice of the Government R & D project in remote evaluation system.

Choice Stepping Reaction Time under Unstable Conditions in Healthy Young and Older Adults: A Reliability and Comparison Study

  • Lim, Ji Young;Lee, Seong Joo;Park, Dae-Sung
    • The Journal of Korean Physical Therapy
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    • v.33 no.6
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    • pp.265-271
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    • 2021
  • Purpose: We aimed to analyze the reliability of the test for choice stepping reaction time (CSRT) under an unstable surface and determine whether there were differences in CSRT between support surface conditions (stable vs. unstable conditions) and between age groups (young adults vs. community-dwelling older adults). Methods: Twenty healthy community-dwelling older adults and twenty young adults performed the stepping task under an unstable condition over two visits. The mean of the two trials measured for each visit was used for the analysis. The test-retest reliability was analyzed using intra-class correlation coefficient (ICC) with a 95% confidence interval, standard error of measurement (SEM), and minimal detectable change (MDC). Differences in CSRT between support surface conditions and age groups were analyzed using the independent t-test with Bonferroni correction. Results: Excellent consistency was observed for ICC >0.90 in both groups. Moreover, the SEM and MDC values of the CSRT in older and young adults were 0.03 and 0.09 and 0.01 and 0.04, respectively. There was a significant difference in the CSRT between the age groups under stable (p<0.001) and unstable conditions (p<0.001). Conclusion: The findings demonstrated that the test for CSRT under an unstable condition had reliable results in both groups. Although older adults demonstrated longer reaction times than younger adults in all surface conditions, increasing the balance control demand by implementing a choice stepping task concomitant with a balance task had no influence on the reaction time in both age groups.

A Study on the User Evaluation for Media Form of Virtual Environment (가상환경의 미디어 형식에 대한 사용자 평가 연구)

  • Park, Soo-Been;Yoon, So-Yeon
    • Korean Institute of Interior Design Journal
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    • v.17 no.5
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    • pp.166-174
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    • 2008
  • As the use of virtual environment for decision-making interior or architectural design has been increasingly broaden, the choice of media form-physical, objective properties of a display medium-became and important issue to take into consideration. This research deals with the effects and differences between two types of media for a virtual environment; wall projection screen(120") and PC monitor(17"). In addition, efficient adoption of the two media forms was also proposed in this research. A total of 90 subjects participated in pre-designed three experimental groups(A group: experiment with a wall projection screen, B group: experiment with PC monitor, C group: both) and answer the seating preferences, the presence inventory, and the decision confidence using a simulated virtual restaurant environment. The results are as follows: (1) seating preferences for the tables located in frequent traffic area and near other spaces such as restroom and th kitchen are significantly different by the media form. While there is no significant difference found in seating preferences for most tables except high traffic areas near entrances between the two media. This result demonstrates the effects of media type or screen size on user perception for the areas near structural or interior design elements. (2) The presence measure in this research consist of in this research consist of four factors: 'spatial presence,' 'object presence,' 'positive effects,' and 'the factor of negative effects. 'The mean values of the items involving engagement or interaction in the spatial presence factor and the object presence factor are significantly different by the media form. A higher sense of presence of presence was observed in the wall projection screen. (3) PC monitor condition was shown to provide a higher level of decision confidence. Based on the research finding, conclusions and implications are discussed.

What Factors Affect Pre-service Teachers in Choosing Teaching Science as Career?: Teaching Motivations of Pre-Service Science Teachers in Korea (왜 과학교사가 되려하는가? -우리나라 예비과학교사들의 교직 선택 동기-)

  • Lee, Bongwoo;Kim, Heekyong
    • Journal of The Korean Association For Science Education
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    • v.38 no.2
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    • pp.123-133
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    • 2018
  • The purpose of this study is to investigate pre-service science teachers' motivation factor and satisfaction of teaching choice in Korea. For this purpose, we surveyed 815 pre-service science teachers in 11 universities in Korea. The questionnaire used in this study was the FIT-Choice scale (Factors Influencing Teaching-Choice) developed by Richardson and Watt (2006). The most significant factor in choosing teaching science as a profession was 'intrinsic value,' followed by 'social utility value,' but lower than the average of other countries in the previous research results. The confidence in teaching professions was low because the percentage of respondents about 'ability' was low and 'task demand' was high. Satisfaction with teaching choice was 5.36, and it is lower than the average of responses in Australia and USA. As for the differences according to gender, male pre-service teachers responded that they chose teaching because they have the proper ability to teach, while female pre-service teachers perceived that the influence of others was greater. Also, female pre-service teachers felt the burden of job such as hard work and emotional demands more than men. Finally, the motivation which showed the highest correlation with the satisfaction of choosing to teach was the intrinsic value. Therefore, finding ways to increase the intrinsic/social utility motivation for pre-service science teachers and differentiated approach considering gender differences are needed.

Effects of Simulation-Based Training on the Clinical Competence and Confidence of Nursing Students in Intravenous Injection Performance and the Satisfaction of Clients (시뮬레이션 기반 정맥주사 교육이 간호학생의 임상수행능력과 수행자신감 및 대상자 만족도에 미치는 효과)

  • Jeong, Hyeon-Cheol;Choi, Na-Young;Kim, Mi-Seon;Jeon, Mi-Yang
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.13 no.6
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    • pp.2600-2606
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    • 2012
  • Purpose: This study was conducted to examine the effect of simulation-based training on the clinical competence and confidence of nursing students in intravenous injection performance and the satisfaction of clients. Methods: This study employed a randomized control posttest non-synchronized design. The participants were 90 second-year nursing students(31 multimedia group, 28 IV model group, 31 IV computerized systems group) of S-University in Seoul, Korea. Each group was given 30 minutes for five trial injections, then the students performed intravenous injections on the back of hands of the clients, and the results were measured. Results: There were significant differences in competence of clinical performance among the three groups showed no significant differences in confidence before and after intravenous injections. While there was no significant difference in the satisfaction of clients among the three groups, there were significant differences in the satisfaction of clients resulting from the success or failure of intravenous injections(p=<.001). Conclusion: This study shows that simulation-base training contributes to the enhancement of competence and confidence of nursing students in clinical performance. It would be helpful to use various simulation-based training media as another choice of education in different fields.

Consumers' Perceptions & Willingness-to-Pay for High-Priced Food (고가격 식품에 대한 소비자의 안전성 인지와 지불용의)

  • 여정성
    • Journal of the Korean Home Economics Association
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    • v.35 no.4
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    • pp.269-282
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    • 1997
  • The purpose of this research is to analyze perceptions of consumers and willingness to play for high-priced food. The price dispersions of four food categories - soybean sprouts, tofu, milk, and egg - were analyzed through the market analysis, and the survey with the structured questionnaire was utilized to get information on the reason why consumers buy and don't buy the high-priced food. It tested whether a consumer would change the choice if the new product information on safety issues is offered and if the price of high-priced food is lowed. Results showed that generally consumers don't have the confidence on the level of safety and comparative advantages of quality of high-priced food, but they just purchase the high-priced food as long as they can afford it.

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Functional Separation of Myoelectric Signal of Human Arm Movements Using Time Series Analysis (시계열 해석을 이용한 팔운동 근전신호의 기능분리)

  • 홍성우;남문현
    • The Transactions of the Korean Institute of Electrical Engineers
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    • v.41 no.9
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    • pp.1051-1059
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    • 1992
  • In this paper, two general methods using time-series analysis in the functional separation of the myoelectric signal of human arm movements are developed. Autocorrelation, covariance method and sequential least squares algorithm were used to determine the model parameters and the order of signal model to describe six arm movement patterns` the forearm flexion and extension, the wrist pronation and supination, rotation-in and rotation-out. The confidence interval to classify the functions of arm movement was defined by the mean and standard deviation of total squared error. With the error signals of autoregressive(AR) model, the result showed that the highest success rate was obtained in the case of 4th order, and success rate was decreased with increase of order. Autocorrelation was the method of choice for better success rate. This technique might be applied to biomedical and rehabilitation engineering.

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Global Perspectives of Organic Agricultural Industry -Growth, Trade & Standards-

  • Stehli, Vincent
    • Proceedings of the Korean Society of Organic Agriculture Conference
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    • 2001.10a
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    • pp.163-178
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    • 2001
  • The last few nears have seen significantly increased interest in organic food. Organic food is still a small but growing part of the food industry with an identity defined and protected by law. Its existence provides an element of consumer choice. To obtain consumer confidence and, product credibility and transparency in the organic market, organic legislation and certification is needed, To facilitate export of organic products, harmonization of the organic legislation is favoured. The IFOAM accreditation programme has already achieved very much in this respect. Several national regulation, such as the NOP(USA) and EC2092/91(European Union) have already complied with the IFOAM basic standards. But in many countries there is still a lack of national legislation on organic agriculture. Because of the fast globalisation, organic agriculture is facing major challenges for international trade, so it is very important to consider the future development and certification of organic produce in all countries.

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A Study on Applicability of Numerical Analyses for Stress Wave-Based NDE Techniques (응력파를 이용한 비파괴 탐상기법의 수치해석 적용성에 관한 연구)

  • 이영준;이종세
    • Proceedings of the Computational Structural Engineering Institute Conference
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    • 2003.04a
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    • pp.504-512
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    • 2003
  • Simulation programs have been developed and used as an attempt to improve the accuracy of Non-Destructive Evaluation(NDE) techniques. The applicability of these programs is very limited, however, because it is difficult to describe the delicacy of the propagation of stress waves. To investigate the applicability of the finite element analysis for stress wave-based NDE techniques numerical simulation for Impact-Echo method and SASW method is performed. The numerical studies are performed to determine the essential parameters such as contact time of impact load, mesh size and time step size. These studies show that the choice of parameter is very important for improving the accuracy and confidence of the numerical procedure and, thereby, the applicability of the numerical analysis for stress wave-based NDE techniques

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Case Study on Analysis the Problem and Improvement of Subway Maintenance Monitoring (지하철 유지관리 계측의 문제점 분석 및 개선방안 연구)

  • 우종태;김홍석
    • Proceedings of the Korean Geotechical Society Conference
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    • 2000.03c
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    • pp.93-104
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    • 2000
  • By means of analyzing the problems in monitoring plan, design, installation, operation based on maintenance monitoring system installed in subway tunnel section, the methods of improvement were proposed for applying to subway monitoring maintenance effectively in future. The choice of the better monitoring system, the operating method of monitoring system, the confidence and continuity of maintenance monitoring, the performance of responsible monitoring supervision in the phase of the planning of monitoring and design were proposed. The problem and developed plan in the different monitoring systems, the calibration and correction of monitoring system, the analysis for the results and plan for maintenance in the phase of installation of monitoring system and operation were also proposed.

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