• Journal of the Korean Institute of Educational Facilities
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• v.24 no.2
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• pp.18-24
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• 2017

본 연구는 청소년 스트레스 호르몬 변화를 보기위한 연구로 컬러 컨설팅 환경개선에 따른 스트레스 호르몬 변화를 연구하였다. 청소년 스트레스 연구들에 따르면, 아동이나 청소년도 성인만큼 스트레스를 경험하고 있고 청소년들의 스트레스는 정서적 부적응과 신체적 건강에도 영향을 미친다. 스트레스가 지속되면 부신피질에서 스테로이드 호르몬인 코티솔도 분비하는 근거를 통해 환경변화로 생긴 코티솔 분비를 측정하였다. 코티솔 분비를 통한 스트레스 반응 정도 측정은 침해성을 최소화하기 위한 간편한 방법인 타액검사로 실시하였으며 비 침습적인 방법으로 특별한 장비나 도움이 없이 수집할 수 있었고 부작용이 적은 효율적 검사였다. 연구 결과 전체 학생(46명)의 코티솔은 환경개선 사전($0.121{\pm}0.087{\mu}g/dL$)에 비해 사후($0.096{\pm}0.058{\mu}g/dL$)에 감소하였고(t=1.718, p=.093) 중고등학생(36명)의 코디솔은 사전($0.137{\pm}0.092{\mu}g/dL$)에 비해 사후($0.104{\pm}0.062{\mu}g/dL$)에 감소하였으며, 유의수준 10%에서 통계적으로도 유의미한 차이를 보였다(t=1.750, p=.089). 따라서 환경 개선 전에 비해 환경 개선 후 청소년들의 스트레스가 감소되었음을 알 수 있다. 하지만 초등학생(10명)의 코티솔은 사전($0.064{\pm}0.023{\mu}g/dL$)에 비해 사후($0.065{\pm}0.016{\mu}g/dL$)에 변화를 보이지 않아, 유의수준 5%에서 통계적으로 유의미한 변화는 나타나지 않았다(t=-0.121, p=0.906). 따라서 후두엽이 발달하는 중학생 시기는 환경 변화에 민감하며 색채 자극에 크게 영향을 미치는 시기인 만큼 본 연구에서 환경전후로 검사한 코티솔 분비의 측정값도 감소함을 볼 수 있었다. 하지만 본 연구는 환경 변화에 코티솔 분비량에 유의미한 변화를 나타내지 않은 초등학생들은 스트레스 호르몬 변화에는 차이가 없었지만 환경변화의 자극이 없었다고 볼 수는 없다.

• Journal of Korean Society of Transportation
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• v.32 no.2
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• pp.119-129
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• 2014

This study aims to evaluate the accident reduction effects of 'Section Speed Enforcement System' (SSES) operation in freeways. In pursuing the above, this study collects the accident data for 5 years (2 years before operation and 3 years after operation) at all 9 sections where SSESs are operated, and evaluates annually the effects before and after operation using the comparison group method (C.G. Method). The measures of effectiveness are total accidents (TAs), fatal and serious accidents (FSAs), total injuries (TIs) and fatal and serious injuries (FSIs). The main results are as follows. First, TAs and TIs are reduced to 41.7 and 17.1%, respectively. Second, FSAs and FSIs are reduced to 41.7 and 32.2%, respectively. Therefore, SSES has more effectiveness at fatal and serious accident. Third, the accident reduction effect has been increasing, and particularly the effect of 'after three years' is evaluated to be notable.

• Journal of Naturopathy
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• v.9 no.2
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• pp.57-61
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• 2020

Purpose: Purpose: This study was to study the effect of foot bathing on menopausal symptoms and sleep disorders in female subjects in their 50s with menopausal symptoms. Methods: After 12 weeks of foot bath therapy three times a week, pre- and post-menopausal signs were measured. Results: Subjects with hot flashes, heart discomfort, sleep problems, depression, irritability, anxiety, physical and mental fatigue, sexual problems, urination problems, vaginal dryness, and joint and muscle discomfort significantly improved after than before(p < .001). Subjective sleep quality, sleep incubation period, sleep duration, sleep disturbance score, sleep drug use, and sleep dysfunction significantly decreased after foot bath than before(p < .001). Habitual sleep efficiency increased considerably. Conclusions: The subjects showed overall improvement in menopausal symptoms and sleeping quality after a foot-bath. Therefore, foot bath therapy is evaluated as a natural healing therapy suitable for improving menopausal symptoms and sleep.

• Journal of The Korean Association For Science Education
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• v.28 no.6
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• pp.664-674
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• 2008

The purpose of this study was to analyze the effects of the teaching and learning programs for science teachers' scientific hypothesis testing-method invention. Subjects were 30 secondary school science teachers. The potato juice task was administered to the subjects before and after instructional treatments. The four-step strategy including the steps of identifying factors, identifying variables, selecting variables and inventing methods, was applied to the development of the teaching and learning programs for the science teachers. The programs were developed by 6 experts through the R&D method. The results of this study revealed that the number and elaborateness of science teachers' scientific hypothesis testing-methods increased after the instructional treatments. The testing ability of testing-methods invented by science teachers in the posttest was stronger than the one of the methods invented in the pretest. This study also discussed the implications of these findings for teaching and learning in science education.

• KSCE Journal of Civil and Environmental Engineering Research
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• v.34 no.6
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• pp.1807-1814
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• 2014

Natural disaster has been hard to prevent the occurrence of itself, thus in order to reduce the economic damages and loss casualties, it is important to be prepared in cases that the disasters should occur in advance. Interest of the related project to prevent various natural disasters has been grown along with an investment in Korea. Along with this movement, when investments related to natural disaster prevention projects were built on, the post evaluation that can verify the ripple effects of those investments on the community should be emerging as an essential task. For evaluating the effects of public investment projects such as natural disaster prevention projects in this study, the related researches would continue through qualitative analyses, for example, cost-benefit analysis. Even the qualitative analysis alone cannot fully explain the effects of those projects, the diverse methods of analyzing and evaluating those effects might not have been presented in those fields. For the post evaluation of natural disaster prevention projects through the qualitative analysis, this study derived subjects that had effects on the post evaluation of natural disaster prevention projects. Also, employing the structural equation modeling (SEM), the causation between post evaluation subjects and the effects of projects were quantitatively analyzed, and the weighting factors of evaluation items were calculated respectively. Based on these results, post evaluation index formula was proposed for the natural disaster prevention projects in Korea.

• KSCE Journal of Civil and Environmental Engineering Research
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• v.43 no.6
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• pp.801-809
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• 2023

Road construction projects have a long duration so cost overruns and schedule delays are occurred. However, performance assessment system that can manage and prepare for this in advance is insufficient. In addition, road construction are affected by many factors during under construction. Therefore it is necessary to conduct performance assessment considering the characteristics of roads and prepare for similar projects in the future. The purpose of this study is to provide a framework to evaluate construction phase performance and present a performance management plan using road construction information. Also, This study conducted time adjustment between the start and the finish of the project and developed performance metrics based on absolute and relative indicator. This study analyzed the cost, schedule, and changes of the road project construction process, showing the possibility of advancement of performance assessment and how to use it when planning new road construction projects.

• Journal of The Korean Association For Science Education
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• v.43 no.1
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• pp.29-36
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• 2023

This study investigates the effects of the operation of science activity program on scientific literacy focusing on science cultural literacy and core competencies for pre-service teachers. 255 pre-service teachers of K University participated, and the effects of the program were examined through a paired-sample t-test with one group pretest-posttest design for science cultural literacy. Only the post-test was conducted on core competency growth perception, and differences in growth perceptions by competency were compared using ANOVA. As a result of the study, the average of pre-service teachers was higher than the pre-test for science culture literacy, and this difference was statistically significant (p<.05). In the core competency growth perception, 70.6% of pre-service teachers reported growth in scientific communication ability, and as a result of the post-hoc test using LSD, it shows statistically significant growth compared to other competencies (p<.05). Through this, it was possible to confirm the educational value of the science activity program as a way to develop pre-service teachers' scientific literacy.

• Korean Journal of Psychosomatic Medicine
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• v.9 no.1
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• pp.16-27
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• 2001

Objectives : This study was aimed to investigate stress and coping strategy in the families of schizophrenic patient, and changes of knowledge, stress and coping strategy after brief program of family education compared with control group Methods : The education group consisted of twenty four people who were families with schizophrenic patients and attended the brief program of family education. The control group consisted of twenty two people with schizophrenic inpatients. Self-report questionnaires such as Family Coping Questionnaire(FCQ), Patient Rejection Scale(PRS), Worry Questionnaire, Knowledge Questionnaire, Beck Depression Inventory(BDI), and State-Trait Anxiety Inventory(STAI) were administered to the education group and the control group, twice at the pre-test and post-test. Results : 1) In the education group, scores of worry questionnaire, BDI and STAI-S at the post-test were significantly lower than those at the pre-test. Social interests score of FCQ and knowledge questionnaire score at the post-test were significantly higher than those at the pre-test. In FCQ factors, social interests associated with avoidance strategy score at the post-test was significantly higher than that at the pre-test. However, in the control group, there was no significant difference in all questionnaires. 2) In the education group, significant positive correlation existed between calculated differences of worry questionnaire and STAI-S, and between worry questionnaire and STAI-T, whereas significant negative correlation existed between positive communication of FCQ and PRS, and between knowledge questionnaire and STAI-S. In the control group, significant negative correlation existed between information of FCQ and PRS, and between positive communication of FCQ and PRS. 3) In the education group, significant positive correlation existed between calculated differences of worry questionnaire and age of patient, whereas significant negative correlation existed between knowledge questionnaire and duration of illness. However, in the control group, there was no significant correlation. Conclusion : The brief program of family education was effective in increasing knowledge about schizophrenia, decreasing worry and anxiety about the patients in families with schizophrenic patient. In the education group as knowledge about schizophrenia increased, anxiety about schizophrenic patient decreased, but there was no significant correlation in the control group. As relative's rejection feeling about schizophrenic patient decreased, positive communication strategy increased in both groups. However, the control group was more affected by rejection feeling than the education group.

• The KIPS Transactions:PartC
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• v.10C no.6
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• pp.815-824
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• 2003

Many organizations operate security systems and manage them using the intergrated secutity management (ISM) dechnology to secyre their network environment effectively. But current ISM is passive and behaves post-event manner. To reduce cost and resource for managing security and to remove possbility of succeeding in attacks by intruder, the perventive security management technology is required. In this paper, we propose PRISM model that performs preventative security management with evaluating the security level of host or network and the sensitivity level of information asset from potential risks before security incidents occur. The PRISM can give concrete and effective security management in managing the current complex networks.

• Journal of the Korean Home Economics Association
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• v.40 no.3
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• pp.1-9
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• 2002

본 연구의 목적은 아동이 또래와 함께 과제를 풀어 나가는 과정에서, 상호작용하는 아동들의 객관적인 상대적 능력과 주관적인 상대적 능력을 고려하여 이들이 아동의 과제해결능력에 어떠한 영향을 주는지를 알아보고자 하는 것이었다. 구체적으로 본 연구에서는 대상 아동이 자신보다 우수하거나 열등한 아동과 상호작용을 경험하게 하며, 이들 상대방에 대해서 아동자신은 어떻게 평가하고 있는지, 또한 이러한 상대방의 능력에 대한 주관적 평가가 아동의 과제해결 능력에 어떠한 영향을 미치는지를 살펴보았으며, 마지막으로 이러한 관계가 상대방에 대한 친밀도와는 어떻게 관련지어 나타나는지를 살펴보았다. 6, 8, 10세의 아동을 대상으로 하여 서로에 대한 친밀도를 조사하였으며 상대방의 능력에 대해 어떻게 생각하고 있는지에 대한 주관적인 평가를 하게 했다. 또한 하노이탑 과제를 사용하여 사전 검사, 처리, 사후 검사 단계를 통해 아동의 과제 해결 능력을 측정하였다. 그 결과, 자신보다 더 우수한 짝과 함께 공동 과제 해결을 한 아동이 그렇지 않은 아동보다 사후검사에서 더 많은 향상력을 보여줄 것이라고 기대하였으나 이 가설은 기각되었고, 아동이 자신의 짝에 대하여 긍정적으로 생각할 때, 다시 말하면 자신보다 과제를 더 잘 풀어 나갈 것이라고 판단할 경우에만 과제 수행 능력이 향상되었다. 이러한 결과는 객관적으로 평가된 아동의 능력보다 아동 자신이 주관적으로 상대방의 능력에 대해 판단한 것이 더 의미있게 과제수행 능력에 영향을 미친다는 것을 보여준다.