• Proceedings of the KSR Conference
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• 2003.10c
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• pp.301-306
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• 2003

Recently, uncertainty of measurement became a major concern for the people working on the laboratory evaluation and accreditation. 'uncertainty of measurement is a parameter associated with the result of a measurement that characteristics the dispersion of the value that could reasonably be attributed to the measured.' This study analysed how to estimate uncertainty of measurement in mechanical characteristic exam for Plastic material. its uncertainty was estimated according to International Organization for Standardization(ISO), they were named to A type uncertainty, B type uncertainty, combined standard uncertainty, and expanded uncertainty. We obtained that the combined standard uncertainty was 0.96697 MPa and the expanded uncertainty was 2.291MPa.

• Journal of information and communication convergence engineering
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• v.2 no.2
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• pp.97-101
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• 2004

This paper is about the use of existing evaluation methods, which evaluate learning determined by the score of an exam, which is either a multiple-choice type or single choice type question. These scores don't show the objective evaluations that cause some negative opinions about the scores. In this paper, we propose that the evaluation of the methods of self-directed learning use the triangle-type function of the fuzzy theory so that the learner can objectively evaluate their own learning ability. The proposed method classifies the result of learning into three fuzzy grades to calculate membership, and evaluate the result of an exam according to the final fuzzy grade degree as applied to the fuzzy grade sheets.

• The Mathematical Education
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• v.49 no.4
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• pp.395-410
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• 2010

Current mathematics of CSAT(College Scholastic Ability Test) faces time to prepare examination questions according to the new curriculum making this year the last. MEST(Minister of Education, Science and Technology) already decided the range of examination in 2008. However, the discuss about how to construct the questions and what form of questions should be set was not conducted enough. Mathematics items of CSAT will have to undergo changes both in 2012 and 2014. Also, reconstruction of the examination questions for the past 16 years and the exploration of the new direction are strongly required. To accord with these requirements, this study analyze Japan's college entrance exam, NCTUA(National Center Test for University Admissions) which is the most similar to our exams. And then on the basis of this, the applicable implication to set mathematics questions in 2012 and 2014 CSAT will be deducted.

• International Journal of Industrial Entomology and Biomaterials
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• v.42 no.2
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• pp.46-50
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• 2021

When 4-hexylresorcinol (4HR) incorporated silk mat is used for clinical application, sterilization process is essential. In this study, 4HR incorporated silk mat was sterilized with ethylene oxide (EO) gas or autoclave, and then antibacterial property was evaluated. For the examination of micro-structure after the sterilization, scanning electron microscopic (SEM) exam and Fourier Transform Infrared (FT-IR) spectroscopy were also done. There was no gross difference after sterilization in SEM exam and FT-IR spectra. Antibacterial property of 4HR was also maintained after the sterilization. In conclusion, EO gas or autoclave did not damage the antibacterial property of 4HR in the silk mat.

• Educational Technology International
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• v.19 no.1
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• pp.123-151
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• 2018

This study aims to examine the effects of self-directed learning readiness (SDLR) on academic performance and the perceived usefulness for each elements of flipped learning. Based on their SDLR scores, 69 students were assigned to a high SDLR group and a low SDLR group. Academic performance was measured by the completion rate of a pre-class online learning and the final exam score, and perceived usefulness for each element of flipped learning was measured by a survey designed by the researcher. For academic performance, the high SDLR group showed a significantly higher completion rate than the low SDLR group, but no significant difference was observed in their final exam scores. Students in the high SDLR group perceived in-class student-centered activities as more useful than those in the low SDLR group. Additional qualitative analyses indicated that students needed more support from instructors and well-prepared peers. Finally, this study suggested that more examination on the various learning characteristics that may influence the effectiveness of flipped learning should be done.

• International Journal of Computer Science & Network Security
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• v.23 no.6
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• pp.77-83
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• 2023

This research is conducted to minimize the potential security risks of conducting online exams to an acceptable level as vulnerabilities and threats to this type of exam are presented. This paper provides a general structure for the risk management process and some recommendations for increasing the level of security.

• Polymer Science and Technology
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• v.10 no.4
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• pp.493-499
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• 1999

• Proceedings of the Korea Institute of Fire Science and Engineering Conference
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• 2001.11a
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• pp.92-99
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• 2001

• The Journal of Korea Assosiation for Disability and Oral Health
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• v.8 no.1
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• pp.1-9
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• 2012

Mobile oral exam at the facilities for the disabled in Seoul is to improve the oral health of the disabled who can hardly approach dental clinic. We analyzed 1609 oral exam records at 24 facilities (11 special-education schools, 10 living facilities, 2 mental hospitals, 1 health care facility for the elderly) in 2011. The purpose of this study is to figure out the oral health state of the disabled in facilities in Seoul and to compare with the non-disabled in National Survey 2010 and 2008. 1. Special-education school : DMFT index of age 15 is 5.4 which is higher than 3.6 (DMFT index of age 15) of National Survey in 2010. 2. Living facility : DMFT index of ages 35~44 is 8.4 which is higher than 5.2 (DMFT index of ages 35 ~44) of National Survey in 2008. DT rate is higher (31.3% vs 19.2%) and MT rate is lower (7.6% vs 15.5%). 3. Mental hospital : DMFT index of ages 35~44 is 11.3 which is higher than 5.2 (DMFT indext of age 35~44) of National Survey in 2008. DT rate is significantly higher (50.7% vs 19.2%) and FT rate is lower (35.1% vs 65.3%). 4. Health care facility for the elderly : DMFT index of ages 65~74 is 7.1 which is slightly lower than 8.7 (DMFT index of ages 65~74) of National Survey in 2008. The number of existing natural teeth is similar (16 vs 18).

• Journal of the Korea Institute of Information and Communication Engineering
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• v.19 no.6
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• pp.1277-1282
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• 2015

This paper describes a research for improvement official approval of information processing in national technical qualification. In this paper, we analysis the contents of current exams and propose the new evaluation method of practical exam in information processing fields through grafting new trends of ICT and ability unit, fulfillment criteria in national competency standards(NCS). Also, we have verified the effect of exam through the pilot test. In the future, we will apply the new exams after the revision of guidelines for marking questions by expert group in its duty fields basis on this research