• Korean Journal of Agricultural and Forest Meteorology
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• v.25 no.1
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• pp.37-47
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• 2023

The black cutworm, Agrotis ipsilon (Hufnagel), is an important crop pest worldwide that feeds more than 80 plant species including cabbage, potato, maize, wheat and bean, and this moth is a typical pest attacking underground parts of crops. It has been known in farm booklets that the larvae of A. ipsilon overwinter in the soil in Korea, but no definitive data exist yet. This study was conducted to evaluate that the specific appearance time of A. ipsilon observed actually in the field could be explained when we assumed that this pest overwinters in a form of larvae or pupae. Degree day-based phenology models were applied for tracking forward or backward to find the predicted developmental stage which developed at a specific stage found in the field. As a result of the analysis, it was confirmed that an initial population could be established in a group that does not overwinter as larvae or pupae in Korea. In other words, the appearance of adults in early March to April could not be explained by the presence of domestic overwintering populations. Populations that overwinter as larvae or pupae in Korea were able to emerge as adults in June to July at the earliest. Therefore, the group of adults appearing in early spring is highly likely to be a population that migrated from outside Korea. Taken together, it was estimated that the colony of A. ipsilon in Korea would be formed by a mixture of a migrant population through long-distance migration and a overwintering population.

• Korean Journal of Environmental Biology
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• v.41 no.4
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• pp.386-399
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• 2023

Microplastics and nanoplastics (NMPs) are considered one of hazardous contaminants in marine ecosystems due to their toxic effects, such as reproduction disorder and oxidative stress, on marine organisms. Although water temperature is rising due to global climate change, little information on the toxicological interaction between NMPs and temperature is available. Therefore, in this study, we confirmed the toxicity of NMPs (polystyrene [PS] beads; 0.05- and 6-㎛) on brackish water fleas (Diaphanosoma celebensis) depending on increased temperature (30℃ and 35℃) at individual and molecular levels. In the chronic toxicity test, the group exposed to high temperatures showed an earlier first reproduction time compared to the normal temperatures group, but it was delayed by co-exposure to NMPs at 35℃. Notably, the total reproduction decreased significantly only after 0.05-㎛ PS beads exposure at 30℃. Interaction analysis showed that first reproduction time, modulation of the antioxidant-related gene (GSTS1), heat shock gene (Hsp70), and ecdysteroid pathway-related genes (EcR_A, EcR_B, and CYP314A1) were closely related to temperature and PS beads size. These results indicate that microplastics have size-dependent toxicity, and their toxicity can be enhanced at high temperatures. In addition, higher temperatures and PS beads exposure may have negative effects on reproduction. This study suggests that various factors such as water temperature should be considered when evaluating the toxicity of microplastics in marine ecosystems, and provides an understanding of the complex toxic interaction between water temperature and microplastics for marine zooplankton.

• Korean Educational Research Journal
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• v.41 no.2
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• pp.55-70
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• 2020

The purpose of this study was to investigate the perceptions of faculty as a foundation for establishing a convergence education model at N-University. In September 2019, a survey was conducted using an online survey system, and a total of 80 responses were obtained. SPSS 23 was used for analysis, and a t-test, ANOVA, and multiple regression analysis were performed. First, the female faculty were significantly more positive about linked-major expansion than were the male faculty. Second, assistant faculty were significantly more positive about convergence curriculum establishment than were associate faculty. Third, as a result of the multiple regression analysis, the preference for multimajor expansion was the most significant and positively influencing factor on the convergence curriculum establishment. Universities must provide various incentives to form a consensus among university faculty. The Ministry of Education must support individual universities through the establishment of clearer guidelines and a kind of convergence education support center.

• Journal of the Korean BIBLIA Society for library and Information Science
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• v.22 no.1
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• pp.211-229
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• 2011

This study tried to suggest a plan for an efficient management and utilization of job-related collections closely connected to the job education field of colleges. The data were collected through data inquiry, telephone interview inquiry and questionnaire and based on the results of the analysis, an efficient utilization plan of job-related collections was derived. It reached a result that it is desirable that libraries initiatively operate job-related collections but in consideration of the approachability, use convenience and utilization of students, the display and management of materials are performed jointly with libraries and employment departments. In addition, so as to plan the development of the job-related collections, libraries need to develop the common basic major materials by major to consider the characteristics as well as educational purposes of colleges and develop the core employment major data connected to major related certificates and intensively secure job practice focused materials.

• Journal of the Korea Society of Computer and Information
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• v.28 no.7
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• pp.103-111
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• 2023

This study was attempted to find out the effect of major satisfaction, maturation of career consciousness and clinical practice satisfaction of nursing college students on job-seeking stress. For this study, 157 3th, 4th grade students were participated from K University in K Province, using a self-reported questionnaire. Data analysis was performed using SPSS version 22.0. program. As a result of this study, it was revealed that there was a significant correlation between the job-seeking stress of nursing students on major satisfaction(r=-.270, p<.001), clinical practice satisfaction(r=-.283 p<.001), maturation of career consciousness(r=-.424, p<.001). Also, the factors affecting the job-seeking stress of nursing students were major satisfaction(β=-0.005, p<.05), clinical practice satisfaction(β=-0.126, p<.001), maturation of career consciousness(β=-0.369, p<.001) with a total explanatory power of 17.7%. Therefore consideration of educational programt be given to the s and support systems to reduced job seeking stress for nursing students.

• The Journal of the Convergence on Culture Technology
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• v.1 no.2
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• pp.45-51
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• 2015

This study investigates the relationship among major satisfaction, self-esteem and nursing professionalism of the students majoring in nursing. The purpose of this paper is to seek the movement of the direction of nursing education in order to improve the formulation, major satisfaction, and self-esteem of the nursing professionalism for the nursing students. This study provides you with the survey conducted among 195 people attending and nursing students as a correlation research. Data collection period was from October 1, 2014 to October 31, and Data were analyzed by t-values. Correlation coefficient using the SPSS Program 18.0. Major satisfaction and self-esteem of the nursing college students shows a correlation between net. Therefore, development and application of educational programs have to be necessary to improve the nursing students' self-esteem and a desirable professional intuition.

• Archives of design research
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• v.12 no.2
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• pp.109-118
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• 1999

Korea adopted a university education ,which it would have been many changes and innovations until modem developed university has its distinct feature. Design education is started just before release of korea and it has inclueded various majors in many changes until now. On the basis of 'Design', multi-media design has been happened and it shows the em of computer. With this change, the School Curriculum was tried many revisions and major subjects has had many changes reflecting the trend of the times. The Visual Communication Design Education is no exception to this. Especially the Visual Communication Design Education has a special quality that accept ail kinds of medium which can deliver on visual angle. Also it takes the problem that how to receive and teach new medium-Computer. The University education that original subject and new computer subject are mixed appropriately must be established promptly. We reside at the very point where past and present merge toward the future of computer graphic design.

• The Journal of the Korea Contents Association
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• v.19 no.1
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• pp.350-358
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• 2019

The purpose of this study was to investigate the influence of sense of humor by instructors and learning motivation in major satisfaction in nursing students. Data were collected from 160 nursing students of D university in Gyoungsaingbuk-do using structured questionnaires. Data were analyzed using descriptive statistics, t-test, ANOVA, Scheffe test, Pearson's correlation analysis, and multiple regression, conducted using IBM SPSS Statistics 22. The results showed that a sense of humor by instructors and learning motivation were the factors affecting major satisfaction of nursing students. Therefore, it is necessary to have programs to develop the sense of humor of the instructors and to increase the capacity of the instructor in order to increase the satisfaction of the nursing college students. In addition, a concrete strategy to improve learning motivation of nursing college students should be established.

• Journal of Korea Society of Industrial Information Systems
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• v.27 no.4
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• pp.81-92
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• 2022

In this study, interview scripts written in the dropout application was analyzed using BERTopic,, and parental influence, academic adaptation, university dissatisfaction was derived as major topics. An empirical study was conducted through a survey of 199 current students with researchmodel composed of those factors affecting dropout intention. The result shows that parental influence had a negative effect on academic adaptation and university satisfaction. Academic adaptation and university satisfaction had a negative effect on the dropout intention. parental influence did not directly affect the dropout intention, but had an indirect positive effect through academic adaptation and university/major satisfaction. The result shows that university satisfaction and academic adaptation is important factor to lower the dropout intention of students who chose current university by parental influence.

• Journal of the Korea Society of Computer and Information
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• v.26 no.2
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• pp.133-140
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• 2021

The purpose of this study was to investigate the association between major selection motives and employment preparation behavior in college students majoring in hair and determine if major satisfaction had any mediating effect on the association between major selection motives and employment preparation behavior. For this purpose, research was conducted in 154 college students majoring in hair in B Region. Such instruments as the major selection motive inventory, the major satisfaction inventory, and the employment preparation behavior inventory were used. For data analysis, descriptive statistics, product moment correlation analysis, and regression analysis were performed. Hierarchical multiple regression analysis was performed to determine the mediating effects of major satisfaction on the association between major selection motives and employment preparation behavior in college students majoring in hair and Sobel test was carried out to determine the significance of the mediating effects. This study obtained the following results: First, among the major selection motives, the personal motives were positively correlated with major satisfaction and employment preparation behavior, and major satisfaction was positively correlated with employment preparation behavior in college students majoring in hair. Second, the personal motives and major satisfaction affected employment preparation behavior in college students majoring in hair. Third, major satisfaction exerted partially mediating effects on the association between the personal motives and employment preparation behavior in college students majoring in hair. Major satisfaction partially affected the association between the social motives and employment preparation behavior.