• Journal of Convergence for Information Technology
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• v.8 no.3
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• pp.25-32
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• 2018

This descriptive research is to find communication ability, general and social self-efficacy, and academic achievement in peer collaboration subject of nursing freshmen. The data were analyzed by SPSS/WIN 19.0. The communication ability was higher in the extroverts and high discussion preference ones(p=.01), females' social self-efficacy were higher than males'(p=.03), the general and social self-efficacy of the 'introverted' and 'middle' groups were higher than the extroverts'(p=.01). The social self-efficacy on the 'middle high', 'middle' and 'middle low' of self-evaluated school grades groups were higher than 'high' one's, even the academic achievement of 'high' group was the most(p=.01). There were negative correlations between communication ability and self-efficacy, and between social self-efficacy and academic achievement. And social self-efficacy affected on the academic achievement in peer collaboration subject($R^2=0.058$, p<.05). These results can be used as a basis for developing guidelines of nursing freshmen who have to complete a lot of theoretical and practical courses in university.

• Journal of Convergence for Information Technology
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• v.9 no.12
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• pp.141-146
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• 2019

Economic analysis predicts that the drone market will grow, and the growth of the toy and hobby drone market is expected to gradually expand. Drone expectations are rising due to the net economic function of drone market growth, but accidents due to improper management and operations are also increasing. The difference in toy drone performance is incomparably small compared to industrial drone performance, but the ordinary buyer can not know whether the difference can cause an accident during use. The toy drones used in this study were obtained from KC and CE certification, and 20 kinds of drones were used. The flight time ranged from a minimum of 3 minutes to a maximum of 12 minutes, and the control distance ranged from a minimum of 20m to a maximum of 380m. Therefore, it is necessary to secure product safety through sampling inspection of the radio wave output of toy drones, and it is also necessary to mount an algorithm that automatically lowers the altitude or hover when exceeding the limit flight distance. For future research, we will build data to establish toy drone safety standards through a altitude testing and impact testing of toy drone.

• Journal of Convergence for Information Technology
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• v.9 no.12
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• pp.302-312
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• 2019

The purpose of this study was to analyzed the effects of educational recognition sub-factors (necessity, utility, value, cost, adequacy) on the field usability and satisfaction and the correlation between each factor for 220 applicants who have taken the national technical certificate of cosmetologist (make-up). In the practical courses of makeup certificate, the most-used course was selected as beauty makeup. It found for improvement need cause there was a high necessity and there was a low recognition of the cost, the number of annual written and practical test in the recognition of certification education. In field usability 'Beauty make-up utilization' showed high recognition, and it showed high satisfaction for acquisition of certificate satisfaction, 'The salary' showed low recognition. The necessity, cost, adequacy among educational recognition sub-factor of the national technical certificate had a significant positive effect on the field usability and satisfaction, and showed the most effect as adequacy on the field usability and the cost on the satisfaction. Therefore, efforts are needed to reduce acquisition costs of certificate and improve highly available theories and technique for segmentation and specialization of make-up certificate.

• Korean Journal of Soil Science and Fertilizer
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• v.48 no.6
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• pp.588-592
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• 2015

Soil testing is one of the major strategies for establishing sustainable agricultural practice as it analyzes nutrient contents of soil and determines the amount of nutrients required for crop growth. Soil testing for the field cultivating regional major crops in Korea has been conducting by National Academy of Agricultural Science (NAAS), provincial agricultural research & extension services and agriculture technology centers since 2000. 1,006,227 soil samples were analyzed and uploaded on Korean soil information system (http://soil.rda.go.kr) from 2003 to 2013. Soil pH has changed from 6.1 to 6.2. Organic matter (OM), available (Avail.) phosphate and exchangeable (Exch.) K have decreased from 24 to $23gkg^{-1}$, 541 to $399mgkg^{-1}$ and 0.90 to $0.72cmol_ckg^{-1}$ between 2003 and 2013, respectively. Especially, Exch. Ca contents decreased to $5.7cmol_ckg^{-1}$ in 2009 and increased to $6.2cmol_ckg^{-1}$ in 2013. Ratios of optimal ranges for cropping were 48% for pH, 22% for OM, 26% for Avail. phosphate, and 23, 16, 22% for Exch. K, Ca and Mg in 2013. Ratios of optimal ranges for pH increased and low ranges for OM, Avail. phosphate and Exch. K increased. Frequency distribution was 64% for pH 5.5~7.0, 65% for OM $10{\sim}30gkg^{-1}$, 48% for Avail. phosphate under $300mgkg^{-1}$ and 23, 29, 22% for Exch. K 0.2~0.6, Ca 4.0~6.0 and Mg $1.0{\sim}1.5cmol_ckg^{-1}$.

• Journal of Convergence for Information Technology
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• v.11 no.12
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• pp.59-69
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• 2021

This study aimed to clarify the effects of nursing students' major selection motivation on their career decision making self-efficacy and major satisfaction. For the goal, the study made a questionnaire survey of 300 nursing students in their 3rd or 4th year of a college in J City. 285 sheets were finally analyzed using the SPSS 25 Program. The findings of this research are as follows. Concerning general characteristics, there's a significant difference in influence on the abovementioned self-efficacy between personality and school satisfaction. Major satisfaction significantly varied depending on school satisfaction. There were significantly positive correlations existed between major selection motivation, and major satisfaction. Either intrinsic or extrinsic motivation affected the foresaid self-efficacy and major satisfaction in a significant, positive way. Regarding the influence of factors of major satisfaction on those of major selection motivation, curriculum and perception satisfaction had significant effects on intrinsic motivation as well as extrinsic one, while relationship satisfaction had such effect only on intrinsic motivation. These findings suggest that strategies for raising nursing students' major selection motivation should be taken, resultantly improving their career decision making self-efficacy and major satisfaction.

• Journal of Convergence for Information Technology
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• v.11 no.12
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• pp.194-200
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• 2021

Recently, incorrect and unhealthy postures have become increasingly prevalent due to reasons such as smartphone use. Consequently, imbalanced muscle contraction occurs. In particular, if the oblique muscle is contracted, the accessory nerve will be compressed, causing ischemic pain in the upper trapezius muscle. To investigate the effect on pain in the upper trapezius muscle, this study applied the ischemic compression method to the accessory nerve capture point at the 1/3-point of the oblique cervical muscle. In this study, the ischemic compression method was applied to eight women twice a week for four weeks, and pain was evaluated before, immediately after, and three weeks after application. The visual analogue scale, McGill Pain Questionnaire, and pressure dynamometer were used to evaluate subjects' pain. As a result of this study, it was confirmed that the pain was significantly reduced after treatment, and that the pain reduction was still effective three weeks after completion of the intervention, indicating that the intervention on the accessory nerve compression point on the oblique cervical muscle was both effective and long-lasting for pain reduction in the upper trapezius muscle. Future studies should increase the number of subjects to check not only pain reduction in the upper trapezius muscle, but also improvement of neck function.

• Journal of Convergence for Information Technology
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• v.11 no.12
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• pp.49-58
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• 2021

This study examined the effects of antecedent variables on life satisfaction of elderly people who live alone and who live with others by comparing the levels of depression, self-esteem, and life satisfaction. Using the 15th data of the Korean Welfare Panel held in 2020, independent sample t-test and hierarchical regression analysis were conducted. Elderly people who live alone had a high sense of depression, low self-esteem, and low life satisfaction. For both of them, the older the age and the higher the income level, the higher the life satisfaction. The regression model, which added depression and self-esteem, had a significant effect on both of them, but the effect of self-esteem was higher (𝛽=.40, .41) than that of depression (𝛽=-.28, -.29). The effects of depression and self-esteem on life satisfaction were higher in elderly people who live alone (R²=.409) than in elderly people who live with others (R²=.398). Based on the research results, this study suggested appropriate policies and practice directions to enhance self-esteem and improve life satisfaction of elderly people who live alone.

• Journal of Convergence for Information Technology
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• v.11 no.12
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• pp.158-167
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• 2021

This study was attempted to investigate the mediating effect of the tolerance of dating violence in the influence of female college students' perception of dating violence on their sexual self-assertion. The subjects of this study were 161 female students enrolled in universities in the Chungbuk region. As research instrument, Jeong(2013)'s perception of dating violence, Jeong(2016)'s sexual self-assertiveness, and Nam(2003)'s dating violence acceptability were used. For data analysis, frequency, percentage, correlation analysis, hierarchical regression analysis, and Sobel test were performed using SPSS WIN 21.0 program. As a result of the study, first, there was a significant positive correlation between perception of dating violence and violence tolerance(r=.43, p<.001), and a significant negative correlation between violence tolerance and sexual assertiveness(r=-.20, p<.05). Second, the perception of dating violence had a significant positive effect on sexual assertiveness(𝛽=.43, p<.001), and the explanatory power was 19%(F=36.10, p<.001). Third, it was found that the decrease in the effect of female college students' perception of dating violence on sexual assertiveness was significant(Z=2.05, p<.05), violence acceptability showed a mediating effect on the effect of dating violence perception on sexual assertiveness. Based on this study, it is suggested to develop a dating violence prevention program that can lower female college students' acceptability for violence, raise perception of violence, and strengthen sexual assertiveness.

• Journal of Convergence for Information Technology
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• v.11 no.10
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• pp.258-269
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• 2021

The purpose of this study was to explore relations between college students' dating violence perception and professional help-seeking attitudes and other factors that affect professional help-seeking attitude and their effect size. 508 students from a college in Chungcheong region responed to self-report questionnaires. Data were analyzed by Partial correlation coefficients and regression analysis using the SPSS 22.0 program. As a resullt, self-disclosure and anticipated utility on self-disclosure had positively effect on professional help-seeking attitudes. In contrast, violence perception, perceived social support, risk on self-disclosure and barriers to seeking help had negative effect on professional help-seeking attitudes. The total effect size was 46.1%, and the effect size of anticipated utility on self-disclosure was the largest, followed by risk on self-disclosure and barriers to seeking help. This study contributed to the broading of dating violence research topics and provided the directions to the endavour to increase the use of professional services among college students

• The Journal of the Institute of Internet, Broadcasting and Communication
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• v.21 no.5
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• pp.1-9
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• 2021

In Korea, various information related to COVID-19 has been provided to the public through an EAM (Emergency Alert Message) service using CBS (Cell Broadcast Service) technology to respond to COVID-19. In particular, local governments have been actively using the EAM service as a major means of responding to COVID-19. However, since excessive use of EAM service has caused the inconvenience of the people rather than the positive effects, the authority to be able to send EAMs has be limited. In this paper, with the purpose of providing primary data for establishing a plan to properly operate EAMs, we compare and analyze the number of EAMs issued and the incidence rate of COVID-19 cases during the period from 2020 to the present. In addition, the monthly EAM usage and incidence rate of COVID-19 cases are compared in detail and correlation analysis is performed for local governments that have issued many EAMs. We expect that the analysis results of this paper will be used as primary data in establishing strategies for EAM service to counteract the prolonged COVID-19.