• Korean Journal of Human Ecology
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• v.14 no.1
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• pp.223-232
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• 2005

The purpose of this study is to investigate voluntary activities of the elderly. Two hundred and eight older Cheongju residents were selected, and a questionnaire was used to collect data. The results are as follows: The number of participants in voluntary activities was relatively small. The main reasons for negative attitudes toward voluntary activities were significantly different according to sex, educational level, marital status, health status, economic level, religion, and life satisfaction. By using a cluster analysis, the elderly could be divided into four groups. Among them, a group with positive attitudes participating in volunteer activities was more likely to include males or those educated, healthy, and affluent. Based on the results of this study, it is revealed that participating in volunteer activities provides problem solutions and self development for elderly people.

• Journal of Families and Better Life
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• v.22 no.4
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• pp.141-156
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• 2004

This study was intended to find out the differences of characteristics between the married women who were participating in the voluntary activities and those who were not. Based on the review of various theories on the volunteerism, the three variable groups - demographic, psychosocial and family related- were identified as the possible factors which differentiate the characteristics of those two groups. The results were as follows 1) Significant group differences were found in the age, the last child's age, education, income, sense of health, religion, the degree of religious activities, leisure satisfaction and type of leisures. 2) Married women participating in the voluntary activities showed more sociable, higher sense of responsibility to the society and more distinct feeling of social identity. 3) Family -related variables such as family function, type of family, the degree of socialization in the family and experiences and quality of contact with successful volunteers were found to be closely related to the married women's participation in the voluntary activities.

• Journal of the Korea Society of Computer and Information
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• v.3 no.4
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• pp.164-173
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• 1998

The purpose of this study is direction of the Information Society situations and problems of voluntary activities. In the United States of 50 percent Population have experiences of voluntary Activities in 1995. But Korea peoples had been experience of voluntary service activities not so much. In order to solve these problems and improve the voluntary service activities situation today that is information society, the followings are proposed here so that the voluntary service can be performed effectively. Through the schools, mass media, and meetings of various groups, a program should be offered widely to educate about voluntary service activities. This study is based on the volunteers management at community society with Data base information communication. (1)Searching the necessity and problems of volunteers at community centers in Local government (2)Studying the support volunteers Activities management and demand of volunteers activities management through the Data base, (3) Participation of team services management from local Government. (4) Exploring the improvements based on the study. For effective management of volunteer activities management use Information communication System that have data base. And also training of volunteers have more computer using technique through education contained with lectures and drill.

• Journal of The Korean Society of Integrative Medicine
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• v.11 no.3
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• pp.1-10
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• 2023

Purpose : This study was conducted to determine the effect of intervention using a smartphone application on abdominal muscle thickness and maximum voluntary ventilation when conducting pelvic floor muscle exercise (PFME). Methods : This study was performed on 14 subjects. They were divided into two groups; PFME using smartphone application (n=7), common PFME (n=7). Both of group executed the exercise 5 times a week for 1 weeks. Abdominal muscle thickness was measured using ultrasound. Maximum voluntary ventilation was measured using a spirometer. The smartphone application used the paid version of Kegel trainer. This material was analyzed by the paired t-test to compare differences on each group and the independent t-test to compare between the two groups. Results : The PFME group using the smartphone application showed a significant increase in the transverse abdominis and internal oblique muscles (p<.05). The common PFME group showed a significant increase in the internal oblique muscle (p<.05). There was no significant difference in variation of the muscle thickness between the two groups (p>.05). The PFME group using the smartphone application showed a significant increase in the maximal voluntary ventilation (p<.05). There was no significant difference in variation of the maximal voluntary ventilation between the two groups (p>.05). Conclusion : As a results of this study, PFME using a smartphone application seems to induce voluntary participation of subjects and maintain continuity against time constraints. As a result, it is thought that using a smartphone application when performing PFME is efficient and convenient in terms of research method. However, this study is difficult to generalize due to the small number of subjects and short intervention period. Therefore, additional research should be conducted by modifying and supplementing these limitations.

• Korean Journal of Applied Biomechanics
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• v.16 no.3
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• pp.75-83
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• 2006

The purpose of this study was to investigate steady-state force depression following active muscle shortening in human tibialis anterior muscle during voluntary contractions. Subjects (n = 7; age $24{\sim}39$ years; 7 males) performed isometric reference contractions and isometric-shortening-isometric contractions, using maximal voluntary effort. Force depression was assessed by comparing the steady-state isometric torque produced following active muscle shortening with the purely isometric reference torque obtained at the corresponding joint angle. In order to test for effects of the shortening conditions on the steady-state force depression, the speed of shortening were changed systematically in a random order but balanced design. Ankle dorsiflexion torque and joint angle were continuously measured using a dynamometer. During voluntary contractions, muscle activation of the tibialis anterior and the medical gastrocnemius was recorded using surface electromyography. Force depression during voluntary contractions, with a constant level of muscle activation, was 12 %, on average over all subjects. Force depression was independent of the speeds of shortening ($13.8{\pm}2.9%$, $10.3{\pm}2.6%$ for 15 and 45 deg/sec over 15 deg of shortening, respectively). The results of this study suggest that steady-state force depression is a basic property of voluntarily-contracting human skeletal muscle and has functional implication to human movements.

• PNF and Movement
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• v.14 no.1
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• pp.49-52
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• 2016

Purpose: The purpose of the present study was to examine the effects of the area of the base of support formed by the human body on the maximal voluntary isometric contraction of upper limb muscles. Methods: The study was conducted with 20 normal adults. To identify changes in the base of support, the maximal voluntary isometric contraction of the biceps muscle was measured in a standing position, a sitting position, and a lying position for each subject. The sizes of the base of support formed in the standing, sitting, and lying positions were set to 1, 2, and 3 respectively, based on the sizes, to analyze the correlations. The maximal voluntary isometric contraction of the biceps muscle was measured using surface electromyograms (EMGs) (Noraxon DTS, Germany). Results: The results showed negative correlations in which, as the size of the base of support increased, the maximal voluntary isometric contraction of the biceps muscle decreased. Conclusion: Changes in the base of support of the body affect the maximal voluntary isometric contraction of the upper limbs. Therefore, when resistance exercises are applied for muscle strengthening, the positions should be changed considering the changes in muscle activity according to those positions. In addition, when EMGs are used to measure the maximal voluntary isometric contraction, the measurements should be conducted in the same positions, considering muscle activity that changes according to the base of support and positions, for data quantification.

• Journal of Korean Elementary Science Education
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• v.38 no.3
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• pp.331-344
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• 2019

This study aims to analyse science-gifted elementary students' perception of speech in general school class, school science class, and science-gifted class and the relationship between their voluntary speech and scientific creativity. For this, 39 fifth-graders in the Science-Gifted Education Center at Seoul Metropolitan Office of Education in Korea were asked about their frequency of voluntary speech on each class situation, the reasons for such behavior, and their general opinions about speech. Also, researchers collected the teachers' observation on students' speech in class. To get the scores for students' scientific creativity, four different subjects of tasks were presented. The students' scientific creativity scores were used for correlation analysis with their frequency of speech. The main findings from this study are as follows: First, science-gifted elementary students tended to be passive in science-gifted class compared to general school and school science class. Second, the main reason for the low frequency of students' speech in school classes is that they do not have many opportunities to make presentations. Third, a survey of students' general thoughts on speech showed that more students wanted to make a speech voluntarily in class than the opposite. Fourth, the four different scientific creativity tasks had little correlation. Fifth, the correlations between the frequency of voluntary speech and the scores of scientific creativity were mostly low, with significant results only for plant task. Sixth, the correlations between the frequency of voluntary speech and the two components that make up scientific creativity, originality and usefulness, were also mostly low, but significant results for both were found in plant task, with originality having a higher correlation than usefulness. Based on this results, this study discussed the meanings and implications of students' voluntary speech on elementary science education and creativity education.

• 한국디지털정책학회:학술대회논문집
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• 2004.05a
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• pp.195-204
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• 2004

Due to growth of diversified media, content screening is the definite procedures. The procedures of screening varies from country by country in various reasons. Therefore, reason of conducting such study is to compare & contrast screening process by countries. In order to clarify definition of terms that measures screening, "censorship" means "legislative filtering process prior to public appearance". In contrary "Rating and/or Classification" is defined opposite of it. After defining these terms, Screening is dignified into two distinctive measures, which are "legislative intereference" and "voluntary notification". Those two measures are again sub-categorized into eight distinctive operational definition. Utilizing those distinctive measures, our study has concluded as US, Japan and some laissez-faire countries use "voluntary notification" systems but in contrast China and Brunei use "legislative filtering" system.? Korea and Australia uses unique combination of both system. In order for Korea to adopt "voluntary notification system", legislative intereference must be weaken and develop strong "voluntary notification" system.

• International journal of advanced smart convergence
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• v.7 no.2
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• pp.86-94
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• 2018

This study focuses on presenting the IT program module provided by real - time forecasting and database of the voluntary disclosure quality measure in order to solve the problem of capital cost due to information asymmetry of external investors and corporate executives. This study suggests a model of the algorithm that the quality of real - time voluntary disclosure can be provided to all investors immediately by IT program in order to deliver the meaningful value in the domestic capital market. This is a method of generating and analyzing real-time or non-real-time prediction models by transferring the predicted estimates delivered to the Big Data Log Analysis System through the statistical DB to the statistical forecasting engine.

• Journal of Fashion Business
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• v.10 no.6
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• pp.131-145
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• 2006

The study used 24 clothing salespersons who had turnover experiences. It used a qualitative research method, through which the following turnover motives were found. The turnover motives can be classified into two: voluntary and non-voluntary. The voluntary turnover motives include marriage, career change, wages, human relationship, family moving, study abroad, health problems, and so forth. This study finds that some salespersons made a turnover because they did not like the products and brand or they preferred another products and brand. This kind of turnover is unique in the field of clothing sales and seldom found in the motives of salesperson turnover in other fields. The non-voluntary turnover motives are caused by non-personal, circumstantial factors which include the bankruptcy of companies due to economic depression, withdrawal of salesroom from department stores due to low sales, etc. This means that the creation, rise, and fall of fashion brands are closely related to frequent turnover of clothing sale associates. As there are various motives for the salesperson turnover, so it is necessary for the clothing industry to examine and investigate the trends of its salespersons and establish an appropriate policy to cope with the matter.