• The Journal of the Korea Contents Association
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• v.9 no.9
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• pp.325-334
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• 2009

The object of this study is to examine the relations between leisure activity and duty stress and separation intention in private guards. The subject of this study is set up the private guards who are working at private guard company in a capital sphere. This study applyed the way of judgement abstraction and abstracted the total of 360 persons. However, the number used in the final analysis is 333 persons. The last conclusion in this study is as follows. Firstly, the relation between duty stress and separation intention has a matual effect meaningfully. Secondly, the physical stress hasn't an effect on the term of leisure activity, and separation intention. affects meaningfully the physical stress. Thirdly, the relation beween leisure activity and separation intention exerts a meaningful influence mutually in all sphere. Duty stress is a important parameter between leisure activity and separation intention.

• The Korea Journal of Herbology
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• v.29 no.6
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• pp.55-62
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• 2014

Objectives : The objective of this study is to determine the best numbers of steaming-drying cycles of Gastrodiae Rhizoma for both efficacy and taste. We investigated various characteristics among Gastrodiae Rhizoma samples (GSD1, GSD3, GSD5 and GSD7) through the number of steaming-drying cycles increased. Methods : Gastrodiae Rhizoma were steamed and dried at different repeated numbers. They were divided into samples (GSD1; steamed and dried once, GSD3; steamed and dried three times, GSD5; steamed and dried five times, GSD7; steamed and dried seven times) for experiment. They were extracted using water, freeze dried and powdered to analyze proximate composition, free sugar amount, functional components, antioxidant activity and sensory evaluation. Results : Proximate composition and the amount of free sugars of Gastrodiae Rhizoma did not have meaningful differences among samples. Phenolic and flavonoid content of samples were increased by increasing steaming-drying numbers. Gastrodin content had different values and GSD7 was the highest in comparison with others. Increasing steaming-drying numbers led to a increasing in radical and nitrate scavenging activity in samples. Regarding to sensory evaluation, GSD5 was selected as the best sample according to its highest hedonic score mean (5.54/7) among all samples for appearance, color, taste and overall acceptability. Conclusions : The results indicated that 5th-cycling sample was effective in views of functional components, antioxidant activity and sensory characteristics. Moreover, it was suggested that steaming-drying process improved remarkably the effects of Gastrodiae Rhizoma.

• Journal of Elementary Mathematics Education in Korea
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• v.18 no.1
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• pp.37-62
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• 2014

In this thesis, we inquire into teaching method of decimal fraction concept in elementary mathematics education based on measurement activity. For this purpose, our research tasks are as follows: First, we design a experimental learning-teaching plan of 'decimal fraction' unit in 4th grade textbook and verify its effect. Second, after teaching experiment using experimental learning-teaching plan, we analyze the student's status of understanding about decimal fraction concept. As stated above, we have performed teaching experiment which is ruled by new lesson design and analysed the effects of teaching experiment. Through this study, we obtained the following results. First, introduction of decimal fraction based on measurement activity promotes student's understanding of measuring number and decimal notation. Second, operator concept of decimal fraction is widely used in daily life. Its usage is suitable for elementary mathematics education within the decimal notation system. Third, a teaching method of times concepts using place value expansion of decimal fraction is more meaningful and has less possibility of misunderstanding than mechanical shift of decimal point. Fourth, teaching decimal fraction through the decimal expansion helps students with understanding of digit 0 contained in decimal fraction, comparing of size and place value. Fifth, students have difficulties in understanding conversion process of decimal fraction into decimal notation system using measurement activity. It can be done easily when fraction is used. However, that is breach to curriculum. It is necessary to succeed research for this.

• Journal of Engineering Education Research
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• v.22 no.6
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• pp.12-20
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• 2019

The purpose of this study is to development of a teaching-learning model for active learning in engineering education. For this, the adequacy between educational objectives and active learning activities is verified and furthermore an "active learning teaching-learning model" is suggested. This suggested teaching-learning model is expected to supplement weakness of traditional lecture-type teaching-learning activity. Based on the literature review, first, the representative activities of active learning were derived. there are twenty active learning activities, which compose of five of individual learning activity, five of pair-learning activity and five of group-learning activity, and five of alternative- learning activity. In addition, a survey on adequacy between designed active learning activities and learning outcomes were conducted to ten educational experts. Lawshe's content validity calculation method was applied to analyze the validity of this study. Second, five teaching-learning principles, such as thinking, interaction, expression, reflection, and evaluation were derived to develop an "active learning teaching-learning model" which supplements lecture-type classes and then the "TIERA teaching-learning model" which consists of five stages was designed. Finally, based on the survey on educational experts, adequate active learning activities were proposed to apply in each stage of the "TIERA teaching-learning model" and as a result the TIERA model's active learning activities were developed. The result of this study shows that some activities of active learning are appropriate to induce high cognitive learning skills from the learners even in traditional lecture-type classrooms and therefore this study suggests meaningful direction to new paradigm of teaching-learning for engineering education. This study also suggests that instructors of engineering education can turn their traditional teaching-learning activities into dynamic learning activities by utilizing "active learning teaching-learning model".

• Physical Therapy Korea
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• v.13 no.1
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• pp.54-60
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• 2006

This study aimed to compare movement patterns of shoulder joints between the right and left symmetry in stroke patients and control subjects. This study proposes use of the voluntary response index (VRI) calculated from quantitative analysis of surface electromyographic (sEMG) and motion data recorded during voluntary movement as a feeding task. The VRI is comprised of two numeric values, one derived from the total muscle activity recorded for the voluntary motor task (magnitude), and the other from the sEMG distribution across the recorded muscles with the similarity index (SI). Five stroke patients and five age-matched healthy controls were recruited. Feeding motion was performed using the provided spoon five times with rests taken on a chair in between tasks. EMG data were digitized and analyzed on the basis of the root mean square (RMS) envelope of activity. The average amplitude of responses was calculated. Responsiveness and clinically meaningful levels of discrimination between stroke patients and control for EMG magnitude and SI were determined. The similarity index of the results from two successive examinations of both sides apart for stroke patients and control subjects were .86 and .95 in motion analysis and .84 and .99 in electromyographic analysis. The SI of sEMG data and motion data was significantly correlated in stroke patients. The data suggest that SI is a sensitive program for comparing and analyzing the symmetry of muscle activity and motion in both sides. This analysis method has a clinical value in grading muscular activity and movement impairment after brain injury.

• Journal of The Korean Astronomical Society
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• v.36 no.spc1
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• pp.83-91
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• 2003

There are terrestrial signatures of the solar activity cycle in ice core data (Ram & Stoltz 1999), but the variations in the sun's irradiance over the cycle seem too small to account for the signature (Lean 1997; Goode & Dziembowski 2003). Thus, one would expect that the signature must arise from an indirect effect(s) of solar activity. Such an indirect effect would be expected to manifest itself in the earth's reflectance. Further, the earth's climate depends directly on the albedo. Continuous observations of the earthshine have been carried out from Big Bear Solar Observatory since December 1998, with some more sporadic measurements made during the years 1994 and 1995. We have determined the annual albedos both from our observations and from simulations utilizing the Earth Radiation Budget Experiment (ERBE) scene model and various datasets for the cloud cover, as well as snow and ice cover. With these, we look for inter-annual and longer-term changes in the earth's total reflectance, or Bond albedo. We find that both our observations and simulations indicate that the albedo was significantly higher during 1994-1995 (activity minimum) than for the more recent period covering 1999-2001 (activity maximum). However, the sizes of the changes seem somewhat discrepant. Possible indirect solar influences on the earth's Bond albedo are discussed to emphasize that our earthshine data are already sufficiently precise to detect, if they occur, any meaningful changes in the earth's reflectance. Still greater precision will occur as we expand our single site observations to a global network.

• Journal of the Korean Society of Physical Medicine
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• v.8 no.4
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• pp.637-645
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• 2013

PURPOSE: The purpose of this study was to examine the effect of using a suspension device for arm reaching activity on trunk stability and gross motor function of children with spastic diplegia cerebral palsy. METHODS: The subject in this study consisted of 11, GMFCS(Gross Motor Function Classification System) III~IV children with spastic diplegia cerebral palsy, all of whom agreed to participate in the study. All subjects were divided into two groups: the experimental group using a suspension device, and the control group using no suspension device. For each group, a thirty-minute intervention was done twice per week during 8 weeks. Before and after intervention, each test was measured using TIS(Trunk Impairment Scale), GMFM (Gross Motor Function Measure) and PRT(Pediatric Reaching Test) to change trunk stability, gross motor function and arm reaching activity. The data were analyzed with the Wilcoxon signed rank test. RESULT: All two groups had a meaningful increase in GMFM-Sit data measured before and after intervention. The experimental group had a significant increase from an average of 78.83 to an average of 84.83 in GMFM-Crawling. For both groups, there was a substantial increase in the change in sitting position and arm reaching. CONCLUSION: According to the results of this study, the arm reaching activity using suspension device had an effect on trunk stability and gross motor function and it changed arm reaching activity.

• The Journal of the Korea Contents Association
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• v.20 no.10
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• pp.146-156
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• 2020

The purpose of this study was to verify the effect of team process and affect state on members' organizational commitment. To this end, a valid questionnaire was received from 241 employees working at a company, and the collected questionnaire analyzed the relationship through regression analysis. As a result, we found that all of the team process factors - the conversion process, the execution process, and the interpersonal process - had a meaningful positive effect on organizational commitment. The conversion process had a positive effect on positive-activity and positive-inactivity - which is the types of the members' affect state. The interpersonal process had a positive effect on positive-activity and positive-inactivity, and negative effect on negative-inactivity and negative-activity. And the positive-activity had an intermediation effect on the relationship between team process and organizational commitment. Through this study, the significance of this study can be found in that it suggested the importance of building and managing the team process in order to maximize the efficiency of human resource management in the organization and improve the team effectiveness.

• Journal of Digital Convergence
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• v.17 no.8
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• pp.271-282
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• 2019

The purpose of this study is to identify the antimicrobial effects of SSH(三神丸) and synerggy effects of the existing antibiotics Oxacillin and Ciprofloxacin on MRSA and to identify the mechanisms. In this case, the procedure and method for verifying anti-bacterial activity and active concentration of MARA by measuring the minimum inhibitory concentration (MIC) of the trichin is used to verify the potency and active concentration of MARA, to confirm the potency of the disease by treating antibiotics and trichine ethanol extract in parallel, and to confirm the anti-bacterial effect over time, when the trichine is activated as an anti-bacterial activity to MARA, and a compound. In addition, we hope that this research will not only serve as meaningful data for the development of new drugs to control MARA immunity, but also serve as an opportunity to further accelerate the research and development of antibiotics to overcome resistant strains.

• Journal of Family Relations
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• v.21 no.2
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• pp.3-23
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• 2016

Objectives: The purpose of this study is to conduct a meta-analysis of results of death education program implemented with a wide range of learners from preschoolers to the elderly and use the findings to suggest effect sizes of the intervention program, variables, and measurement tools and activity elements of the variables. Method: Among preceding studies conducted domestically until 2015, 21 studies that meet the meta-analysis criteria were selected and analyzed using CMA(Comprehensive Meta-Analysis 3.0 version). Results: The findings are as follows. The overall average effect size was rather large at 0.997. Reviewing by research subject group, victims of domestic violence indicated the largest effect size(2.381). As for variables, death awareness showed the largest effect size(2.908). In terms of activity elements, the largest effect size for total number of sessions was 16 sessions (4.972), while that for per week sessions was 2 sessions/week (2.327). With effect size for activity hours largest at 30 minutes(5.365) followed by 108 minutes(2.381) and 360 minutes(1.607), it was found that there is no positive relationship between activity time and effect size. In terms of publication type, effect size of academic journal paper was 1.107 while that of thesis or dissertation was 0.894, indicating that academic journal papers are relatively highly effective. Conclusions: The present study is meaningful in that it provides baseline data applicable to program development and implementation by verifying the effectiveness of domestically implemented death education programs and variables relevant to such programs.