• Korean Journal of Health Education and Promotion
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• v.24 no.3
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• pp.21-34
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• 2007

Objectives: This study aims to examined whether physical activity prevent the negative effect of psychological stress on cardiovascular reactivity by reducing stress induced sympathetic output and preventing norepinephrine depletion negative psych-affective responses. It is assumed that physical activity reduces the magnitude of cardiovascular responses and psychological responses to stress which threaten individuals' physical and mental health. The result of investigating the effect of physical activity on reducing negative physiological and psychological responses would suggest useful information health for practitioners who want to prevent stress-induced diseases, especially coronary heart disease. Methods: participants of this study were 30 students (10 males & 20 females), whose mean age was 21.30 (SD=2.29). Fifteen students (5 males & 10 females) were assigned for in each group, treatment and control groups. They were interviewed and given a survey that included a consent form, demographics sheet and psychological tests, such as State-Trait Anger Expression Inventory and State-Trait Anxiety Inventory. Before the application of psychological stress, participants in treatment group were going through with a course of physical exercise, running on treadmill 15minutes, while participants in control group were not physically active. After exercise, there was 15 minutes resting period before applying cognitive stress. During the experiment, all participants performed challenging cognitive tasks for 20minutes in situations that were designed to experience learned helplessness and measured their cardiovascular reactivity including blood pressure and heart rate every 5 minutes, until 10 minutes after finishing the application of psychological stress(recovering state). In the end of experiment, they were given some psychological test again. Results: Heart rates of exercise group were significantly higher than non-exercise group, especially, five minute after applying cognitive stress and at the end of recovery, in other word 10 minutes after stressful event. Systolic blood pressures of exercise group were lower than those of non-exercise group during the stressful event, but this differences in borderline level of significance. state anger level of exercise group decreased even experiencing stress, while those of non-exercise group increase. And state anxiety level of exercise group decreased in borderline level of significance. Conclusion: This study reiterate health benefits of physical activity and suggest that regular moderate exercise may regulate cardiovascular reactivity and psycho-affective responses from stress by reducing stress induced sympathetic output.

• Journal of The Korean Association For Science Education
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• v.32 no.9
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• pp.1391-1404
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• 2012

This study was conducted for the purpose of analyzing the teachers' and students' preferences and reality with regard to their interaction in secondary school science classes. The subjects of this study were 180 teachers and 1,389 students. The contents of the questionnaire for the teachers included the quality of the personal relationships between the teachers and students as well as the teachers' recognition of teaching activities, and the questionnaire for the students dealt with the quality of the personal relationships between the teachers and students as well as the students' perceptions of their classes. The questionnaire responses were divided into preferences and reality for the research. The results are as follows. First, the levels of the teachers' and students' perceptions of their interaction were significantly lower (p<0.05) compared to their preferences with regard to such. Second, the female teachers showed higher levels of preferences and reality compared to the male teachers in the case of the teacher variables, and the middle school teachers showed higher levels of preferences and reality compared to the high school teachers. Third, the male students showed a higher perception level compared to the female students, and both the preferences and reality levels of the middle school students were significantly higher (p<0.05) than those of the high school students. In addition, the level of interaction was lower in big cities than in small cities. Fourth, there was a significant difference between the levels of the teachers' and students' preferences and reality with regard to their interaction.

• Journal of Korean Public Health Nursing
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• v.24 no.2
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• pp.249-257
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• 2010

Purpose: This study aimed to clarify the relationship between analysis of rape myths acceptance and gender role stereotype among university students. Method: First-year students at two three-year colleges in Jeonnam and two three-year colleges in Jeonbuk (n=406) were selected by convenience sampling. Of these, responses from 386 (95.8%) were analyzed. Result: Rape myths acceptance in male students was significantly higher than female students (t=5.400, p=.00). In terms of gender role stereotype, male students were significantly higher than female students (t=3.869, p<.001). The relationship between rape myths acceptance and gender role stereotype was in the middle range of correlation: male students' correlation coefficient was r=.520 (=p<.001), and female students' was r=.524 (p=<.001). Conclusion: The results indicate that university students' attitudes toward sex have not been properly established yet. Moreover, they highlight that in our society there still exists a male dominated social structure and inequality of sexes. To prevent sexual violation from occurring at the universities, it is necessary that programs to establish proper attitudes of students toward these two factors, should be developed and the results monitored frequently. In addition, cross sectional studies aimed at understanding rape myths acceptance and gender role stereotypes are needed.

• Journal of Korean Elementary Science Education
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• v.23 no.1
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• pp.50-60
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• 2004

The purpose of this study was to define teachers' learning motivation strategies and students' responses by analyzing science classes and interviews. The subjects were first grade and sixth grade teachers and students of an elementary school. The analysis tools are based on Keller's ARCS theory. The differences of teachers' motivation strategies were analyzed by grades and teachers' and students' backgrounds. The interviewers were composed of three teachers and three students of first grade, and three teachers and three students of sixth grade. The data were collected by recording of the classes using tape recorders, video cameras, and notebooks written by researchers. The results are as follows. First, teachers had their own styles of teaching strategies in their classes. Especially teachers' teaching backgrounds affected on the teachers' instructional strategies. The teachers who had long teaching experiences of lower grade students used to show a lot of attention strategies. While the teachers with long teaching experiences of higher grade students used to show few learning motivation strategies. Especially, sixth grade teachers used to show fewer confidence strategies than first grade teachers. Second, all of the teachers used to show few satisfaction strategies commonly in all the classes observed. Third, the students' recognition of the motivation strategies were not different according to their conceptions or activities of the classes. Commonly first grade students focused on the attention strategies, while sixth grade students focused on negative motivation strategies. Fourth, the teachers who believed that students need detail guidance and control recognized the needs of satisfaction strategies by students' autonomous activities after observing video tapes of other teachers' classes.

• Journal of Nutrition and Health
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• v.32 no.7
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• pp.781-786
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• 1999

This study was designed to investigate the effects of vitamin E supplementation on radical scavenger activity and immune responses in female judo athletes(n=18). The age and sex matched sedentary students were used as controls(n=15). The initial plasma vitamin E concentration, lipid peroxide level and radical scavenger activity (RSA) were not different between two groups. The supplementation of $\alpha$-tocopheryl acetate(400IU/d) for 4 weeks significantly increased plasma vitamin E concentration of the subjects in both groups. In addition, the decrease in thiobarbituric acid reactive substance(TBARS)(p<0.05) and enhancement of RSA(p<0.05) were observed in both groups. Percentages of total T-cells in the athletic group was lower than that in the control group(p<0.05). However, the ratio of CD4 / CD8(helper T-cal $l^pressor T-cell) was higher in the sports group, due to more decrease in CD8 subset than in CD4 subset. The concentrations of IgG and IgM in the sports group were significantly lower than those in the control group(p<0.05). Therefore, severe training of the athletic group seems to be associated with the changes of supplementation. In conclusion, vitamin E supplementation (400IU/d, 4 weeks) of the female university students improved antioxidative activities of the blood, by decreasing lipid peroxide and enhancing radical scavenger activity. Percentages of T lymphocytes and IgG and IgM concentrations in the athletic group were lower than those in the control group. Meanwhile, vitamin E supplementation had no effects on immune status in both groups.ps.

• Communications for Statistical Applications and Methods
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• v.18 no.1
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• pp.35-45
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• 2011

Some researchers insist that many students respond to the course evaluation surveys without sincerity and even without reading the questions. To analyze the pattern of student responses, the results of course evaluations for five semesters at Jeonbuk National University are reviewed. In mandatory course evaluations, 20% of the students marked the same option numbers to all questions regarding their lectures. In addition, consistent responses were over 50%. These results show that the university administration should reform the current course evaluation system in all respects.

• The Journal of Asian Finance, Economics and Business
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• v.7 no.7
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• pp.369-378
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• 2020

The paper aims to identify the determinants that influence entrepreneurial intention among National Economics University graduates. For the sample size, we conducted a questionnaire survey of 250 full-time third-year undergraduates at the National Economics University, with convenience sampling technique. Of those 250 undergraduates, 150 were Business Administration students and 100 Economy Management students. After eliminating invalid responses due to lack of information or low quality information, 215 responses were used (93.07% of respondents) for data analysis. The results show that the factor "Perceived desirability" has the strongest impact on the intention to start a business. It is followed by the factor "Perceived feasibility" in which the "ability to search and plan for start-up" has a stronger influence on undergraduates' entrepreneurial intention than the "leadership and ability to overcome adversity". The hypothesis of a positive relationship between undergraduates' propensity to act and their intention to start a business is also supported in this study. Based on the results, we suggest some recommendations for the university and State management agencies to nurture and develop entrepreneurial intention of undergraduates, forming the young generation of potential entrepreneurs to contribute to the development of emerging countries such as Vietnam, the case study.

• Journal of Society of Preventive Korean Medicine
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• v.12 no.3
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• pp.175-183
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• 2008

This study was founded to identify the differences of the stress responses according to Sasang Constitutions(the Taeyangin, Taeumin, Soyangin and Soumin) of female college students. The subject were 226 the regular female students who majored in nursing in Kyungbuk, Kimcheon. Tools used in this study were the Questionnare for the Sasang Constitution Discrimination and the Scale for the Stress Response which were revised in some parts. The values of Cronbach's alpha for the Questionnare for the Sasang Constitution Discrimination and the Scale for the Stress Response were $0.45{\sim}0.73$ and $0.66{\sim}0.85$ respectively. The collected data was anaylyzed with the SPSS 10.0 windows statistical program. The results of this study were as follows; 1. The constitutions were shown in the order of Taeumin(45%), Soyangin(28%), Soumin(18%) and Taeyangin(9%). 2. There were significant difference in the stress response for Depression(p<.05), Anxiety(p<.05), Emotional irritability(p<.01) and the Total stress response(p<.05) according to the Sasang Constitutions (the Taeyangin, Taeumin, Soyangin and Soumin). In conclusion, it is needed to find out an effective ways of treating stress individually to apply Sasang Constitutions to a new esthetic treatment.

• Journal of the Ergonomics Society of Korea
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• v.33 no.1
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• pp.39-48
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• 2014

Objective: This entire study has two parts. Study I aimed to develop a psychological assessment scale and the study II aimed to investigate the effects of LFN (low frequency noise) on the psychological responses in humans, using the scale developed in the study I. Background: LFN is known to have a negative impact on the functioning of humans. The negative impact of LFN can be categorized into two major areas of functioning of humans, physiological and psychological areas of functioning. The physiological impact can cause abnormalities in threshold, balancing and/or vestibular system, cardiovascular system and, hormone changes. Psychological functioning includes cognition, communication, mental health, and annoyance. Method: 182 college students participated in the study I in development of a psychological assessment scale and 42 paid volunteers participated in the study II to measure psychological responses. The LFN stimuli consisted of 12 different pure tones and 12 different 1 octave-band white noises and each stimulus had 4 different frequencies and 3 different sounds pressure levels. Results: We developed the psychological assessment scale consisting of 17 items with 3 dimensions of psychological responses (i.e., perceived physical, perceived physiological, and emotional responses). The main findings of LFN on the responses were as follows: 1. Perceived psychological responses showed a linear relation with SPL (sound pressure level), that is the higher the SPL is, the higher the negative psychological responses were. 2. Psychological responses showed quadric relations with SPL in general. 3. More negative responses at 31.5Hz LFN than those of 63 and 125Hz were reported, which is deemed to be caused by perceived vibration by 31.5Hz. 'Perceived vibration' at 31.5Hz than those of other frequencies of LFN is deemed to have amplified the negative psychological response. Consequently there found different effects of low frequency noise with different frequencies and intensity (SPL) on multiple psychological responses. Conclusion: Three dimensions of psychological responses drawn in regard to this study differed from others in the frequencies and SLP of LFN. Negative psychological responses are deemed to be differently affected by the frequency, SPL of the LFN and 'feel vibration' induced by the LFN. Application: The psychological scale from our study can be applied in quantitative psychological measurement of LFN at home or industrial environment. In addition, it can also help design systems to block LFN to provide optimal conditions if used the study outcome, .i.e., the relations between physical and psychological responses of LFN.

• Journal of Korean Elementary Science Education
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• v.26 no.4
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• pp.372-384
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• 2007

The purposes of this study was to analyze qualitatively changes in students' experience and perceptions in relation to studying science using portfolios and any resultant effects on the portfolio itself. Five fourth-grade elementary students from one small city participated in this study. Data was collected through interviews as well as through student portfolios containing the science content matter of two units over two weeks. Observational diaries recorded by a teacher were also used to test the reliability of data collection. All interviews with students were transcribed to develop a suitable network to categorize students' responses. Students' portfolios were analyzed in order to reveal their essential characteristics in combination with their teacher's observational diaries. The results were as follows. First, student perceptions of their portfolios were categorized into three different levels; superficial, extended, and moderate perceptions. The changes in perception could also be divided into three levels; consistent-superficial, unstable, and a progressive-extended pattern. Second, the experience of students with their portfolio were investigated in terms of the following; successfully completing the elements of the portfolio, development of evidence, interaction with peers, teachers, and parents, and the standards of evaluation used for the portfolios. Third, the perceptions and experience of working on the portfolio by students had a number of direct effects on the way in which students actually created and developed their portfolios. Finally, students with positive attitudes towards their portfolios actively participated in the portfolio experience and finally understood what it meant completely. However, students with negative attitudes regarding portfolio based work, did not leave the experience with any heightened awareness of the utility or indeed, purpose of portfolio based work.