• Title/Summary/Keyword: T-test analysis

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The Effects of 'Activity Program for Effective Storytelling' on Empathic Ability and Language Teaching Efficacy of Story Grandmother ('효과적인 이야기전달을 위한 활동 프로그램'이 이야기할머니와 유아 간의 공감능력 및 언어교수효능감에 미치는 영향)

  • Kim, Hyung-Sook;Hong, Myung-Soon;Kim, Rae-Eun
    • Journal of Convergence for Information Technology
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    • v.10 no.12
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    • pp.245-255
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    • 2020
  • The purpose of this study was to investigate effects of 'activity program for effective storytelling' on the empathic ability and language teaching efficacy of a story grandmother. The subjects were 51 beautiful story grandmothers in Gangwon, Gyeongsangdo and Seoul. The research tools used the emotional empathy scale of Jeon(2003), and language teaching efficacy scale of Kim and Lee(2011). As for the research procedure, from March 06 to July 27, 2017, an 'activity program for effective storytelling' was conducted. For data analysis, a t-test of the corresponding sample was conducted to find the difference between the pre- and post-scores of the two variables. As a result of the study, first, the cognitive empathy ability between the story grandmother and the young children after applying the 'activity program for effective storytelling' was higher than that of the dictionary. Second, the language teaching efficacy between the story grandmother and the young children after applying the 'activity program for effective storytelling' was higher than that of the dictionary. Therefore, the 'activity program for effective storytelling' suggests that there is a positive effect on improving the cognitive empathic ability and language teaching efficacy of the story grandmothers.

The Effect of Job stress related to COVID-19, Emotional labor and Empowerment on Retention intention of nurses working at a infectious disease-specialized hospital (일 감염병 전담병원 간호사의 COVID-19 관련 직무스트레스, 감정노동, 임파워먼트가 재직의도에 미치는 영향)

  • Kim, Haneul;Yang, Seung Ae
    • Journal of Internet of Things and Convergence
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    • v.8 no.6
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    • pp.35-47
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    • 2022
  • This study aims to identify the degree of job stress related to COVID-19, emotional labor, empowerment, and retention intention of nurses in hospitals dedicated to infectious diseases, and confirmed the effect of job stress related to COVID-19, emotional labor, and empowerment on retention intention. The data collection of this study was conducted from August 27, 2021 to September 17, 2021 through a structured questionnaire targeting 162 nurses at an infectious disease hospital in S city. The data were analyzed analyzed using frequency and percentage, mean and standard deviation, t-test, ANOVA, Pearson's Correlation Coefficient, and multiple linear regression using SPSS/WIN 25.0. As a result of analyzing differences according to general characteristics, retention intention showed a significant difference according to work department and work satisfaction. And as a result of analyzing the correlation between retention intention and COVID-19 related job stress, emotional labor, and empowerment, it showed a significant negative correlation (r=-0.215, p=0.006) with job stress related to COVID-19 and a significant positive correlation (r=0.343, p<0.001) with empowerment. As a result of multiple linear regression analysis, job satisfaction, job stress related to COVID-19, and empowerment were identified as significant variables affecting retention intention (F=23.751, p<0.001), and the explanatory power was 30.0%. Through the above results, we intend to provide basic data for strategic development for efficient nursing manpower management.

A Study on the Changes in Korean Ocean Carriers' Financial Ratios and Profitability Before and After the Bankruptcy of the H-Line Carrier (H선사 파산전후 국적외항선사의 재무비율 차이분석과 영향요인 연구)

  • Kim, Myung-Jae;Ahn, Ki-Myung
    • Journal of Navigation and Port Research
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    • v.44 no.6
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    • pp.541-549
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    • 2020
  • This study conducts differential analysis on the financial positions of Korean shipping companies before and after the bankruptcy of the H carrier, looking specifically at their financial ratios, profit and loss patterns, and other factors related to their financial operation. Firstly, it was discovered that major measures of financial health, such as average assets per carrier, were not affected by the bankruptcy of the H carrier. However, despite this, most carriers experienced large changes in profits and losses, with total sales and shipping revenues averaging 424.5 billion won and 381.7 billion won respectively before the bankruptcy, but falling by half to 252.1 billion won and 234.6 billion won after the bankruptcy. Additionally, charter revenues and expenses also dropped by more than half. EBIT/sales and pre-tax revenue margins were also heavily affected after the bankruptcy, with both figures averaging 8% and 3% respectively before the bankruptcy, but falling into the negative range at -2% and -8% post-bankruptcy, resulting in significant deterioration in operational profitability. The study concludes that there is an urgent need to establish a global sales network, improve cost structures, and consistently secure stable cargo in order to increase Korean carriers' profitability. Of all financial measures, liquidity and total asset efficiency were identified as the most severely-impacted by the H carrier bankruptcy, thereby requiring the most pressing policy addressing.

The Effects of Elementary School Students' Breeding Companion Animals on Interest, Curiosity, and Self-Concept in Science (초등학생의 반려동물 사육경험이 과학에 대한 흥미, 과학호기심, 과학자아개념에 미치는 영향)

  • Kim, Jiwon;Kang, Jihoon;Yoo, Pyoungkil
    • Journal of Korean Elementary Science Education
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    • v.40 no.2
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    • pp.267-281
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    • 2021
  • The purpose of this study was to investigate the effect of breeding experiences of companion animals on elementary school students' interest in science, science curiosity, and science self-concept in relation to companion animals that are rapidly increasing in modern society. To achieve the purpose of this study, level of four hundred and seventy-four 6th grade at elementary school students' interest in science, science curiosity, and science self-concept according to breeding experiences of companion animals were compared and analyzed through ANOVA and independent sample t-test. As a result of the analysis, students who have experience in raising companion animals have higher interest in science, science curiosity, and science self-concept than students who have no experience in raising companion animals. It is believed that students participate in breeding activities of companion animals with interest and curiosity, and that self-concept has increased due to the process of acquiring knowledge necessary to raise companion animals and successful breeding experiences. The results of this study are meaningful in that they discussed the implications of breeding experiences of companion animals for science education, using companion animals that have not been studied much in the field of science education so far.

A Study of Health Literacy, Self-Management Knowledge, and Self-Care Behaviors in Elderly with Hemodialysis (혈액투석 노인의 건강문해력, 자가관리지식과 자가간호행위에 관한 연구)

  • Yu, Hye Seon;Lee, Young Whee;Kim, Hwasoon
    • The Journal of the Korea Contents Association
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    • v.21 no.6
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    • pp.609-619
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    • 2021
  • The purpose of this study was not only to identify the level of health literacy, self-management knowledge and self-care behavior, but also to identify the relations those variables in elders with hemodialysis. The subjects of this study are 193 patients from dialysis clinics of nine hospitals in Incheon who aging over 60 years old. Data collection was conducted by using Health Literacy Scale, Self-Management Knowledge Scale, and Self-Care Behavior Scale. The data were analysed by descriptive analysis, t-test, ANOVA, and Pearson correlation coefficient using SPSS statistics 23.0 program. In the results, average score of subjects' health literacy, self-management knowledge and self-care behavior were 13.66(±2.09), 13.33(±1.85) and 63.95(±10.32), respectively. There were significant positive correlation between self-management knowledge and health literacy (r=0.37, p<.001) and reading comprehension part which is subscale in health literacy (r=.25, p=.001). Also, there was significant positive correlation between self-management knowledge and self-care behavior (r=0.15, p<.05). According to the above results, for improving the self-care behaviors in elders with hemodialysis, it is necessary to provide tailored education based on his/her level of health literacy.

The Effect of Convergence Intervention of Focal Vibration Stimulation and Bilateral Upper Extremity Training on Recovery of Upper Limb Function in Stroke Patients (국소 진동 자극과 양쪽 팔 훈련의 융합 중재가 뇌졸중 환자의 팔 기능 회복에 미치는 효과)

  • Kim, Sun-Ho
    • Journal of the Korea Convergence Society
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    • v.12 no.2
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    • pp.95-101
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    • 2021
  • The purpose of this study was to investigate the convergence effect of focal vibration stimulation and bilateral upper limb training on the recovery of upper limb function when applied to stroke patients. For 20 stroke patients, divided into an experimental group that performed convergence intervention with focal vibration stimulation and bilateral upper limb training, and a control group who performed only bilateral upper limb training. It was conducted 20 times for 4 weeks, 30 minutes per session. Vibration stimulation was applied to the affected side of the experimental group for 30 minutes during training. Results were measured for the degree of recovery of the affected upper limb function, amount of use on the affected and unaffected sides, the quality and satisfaction in performance on use of both upper limbs. Comparisons were made within groups using a paired-sample t-test and between groups using covariance analysis. As a result of the study, the experimental group showed a significant difference in dexterity and the amount of use on the affected than the control group. The effect size was more than the small effect size in all evaluation items. Through this study, it is thought that the convergence intervention of focal vibration stimulation and bilateral upper limb trainingcan be used clinically as an effective intervention for the recovery of arm function in stroke patients.

Analysis of Early Childhood Teachers' Stages of Concern and Level of Use about STEAM : Focusing on Concern-Based Adoption Model (융합인재교육(STEAM)에 대한 유아교사의 관심단계와 활용수준 분석: 관심중심수용모형을 중심으로)

  • Lee, Suki
    • The Journal of the Korea Contents Association
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    • v.21 no.4
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    • pp.347-358
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    • 2021
  • The purpose of this study was to investigate the stage of concern and use level of early childhood teachers' STEAM, and to find out whether there is a difference in the stage of concern according to individual teachers' variables. The subjects were 242 teachers in charge of 3-5 years old kindergarten and daycare center in G city. The research tool was the stages of concern questionnaire (SoCQ). The collected data were converted to relative intensity by applying percentile conversion chart in the guidelines, and this was expressed as a concern profile graph, and t-test and ANOVA were performed to find out the difference in concern according to teacher's background variables. The research results are as follows. First, the stage of concern in early childhood teachers' STEAM was identified as a critical non-user profile. Second, the stage of concern in the teacher's STEAM was judged as a person who did not use, or was implemented for less than 2 years, and was a non-user or a novice. In addition, it was found that most of the teachers did not receive formal education for STEAM. third. There were differences in the educational background, career, current execution status of teachers, whether or not to take related courses in pre-service teacher education, and whether to plan for future implementation. And there were no differences in the majors and institution types of teachers. Based on these results, a support plan for changing the stage of concern of teachers about STEAM and improving the level of use was suggested.

An Analysis of the Current Status and Characteristics of Airborne Fungi in Indoor Air in Multi-Use Facilities Nationwide (전국 다중이용시설의 실내공기 부유 곰팡이의 현황 및 특성 분석)

  • Park, Yongsung;Kwon, Soonhyun;Park, Song-Yi;Kee, Sun-Ho;Yoon, Wonsuck
    • Journal of Environmental Health Sciences
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    • v.48 no.5
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    • pp.282-289
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    • 2022
  • Background: Airborne fungi are ubiquitous in the air and exposure to an airborne fungus can be a significant risk factor. The composition of fungi has been potentially important for human health, especially for respiratory diseases like asthma and atopic dermatitis. Therefore, we attempted to ascertain what kind of airborne fungi affect human health at a nationwide level. Objectives: This study was carried out to provide information on indoor fungi distribution at multi-use facilities throughout South Korea. Methods: We classified our data by region and public facility after collection, cultivation, and identification via the sequencing of the ITS (internal transcribed spacer) region. We investigated whether or not the proliferation of HaCaT cells was affected by the identified airborne fungi. Results: In our data, the most isolated airborne fungi by region were Penicillium spp (Seoul, Daegu), Periconia sp (Gyeonggi-do), Iprex sp (Gangwon-do), Phanerochaete sp (Busan), Bjerkandera sp (Gwangju), and Aspergillus sp (Jeju-do). In the public facilities, the most detected fungi were Cladosporium sp (public transport), Penicillium sp (apartment house, retail market, financial institution, karaoke room), Bjerokandera sp (underground parking lot, public toilet, medical institution), Periconia sp (retail store), and Fusarium sp (general restaurant). Next, we selected twenty airborne fungi to examine their cytotoxicity and proliferation of human skin cells. In this experiment, the proliferation of the cells was influenced by most of the identified fungi. In case of the cytotoxicity test, most genera except for Rhodotorula sp and Moesziomyces sp showed cytotoxicity in HaCaT cells. Conclusions: The distribution of mold in the indoor air in multi-use facilities in South Korea differs from region to region, and this is an indicator that should be considered in future health impact studies. In addition, as a result of culturing about 20 types of bacteria dominant in indoor air, it was found that most (90%) inhibit the growth of skin cells, which can be harmful to health. An in-depth study of the health effects of floating fungi is needed.

Effect of Middle-aged Parent Understanding Education for Middle School Students on Parent-Child Relationships (중년기 부모 이해 수업이 중학생의 부모-자녀 관계에 미치는 영향)

  • Jeong, Joo-Yeon;Lee, Seo-Yeon
    • Journal of Korean Home Economics Education Association
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    • v.34 no.3
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    • pp.25-47
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    • 2022
  • The purpose of this study is to develop a teaching and learning plan for parental understanding classes for middle school students and to investigate the effect of the classes on the parent-child relationship by implementing the class. The classes were conducted from July 5 to July 15, 2021, for the second graders of S middle school in Gwangju Metropolitan City, in a total of 6 sessions, i.e., 3 sessions per week for 2 weeks. The influence of classes on parent-child relationship was measured in terms of the understanding of the middle age, degrees of interaction, affection, and bond with parents. In order to analyze the impact of classes, pre- and post-class online surveys were conducted on 184 students who agreed to participate. For the collected quantitative data, descriptive statistics, reliability analysis, and pairwise t-tests were performed using the SPSS Ver 22.0 statistical program. According to the results, students' understanding of the developmental characteristics of middle age increased and the interaction between the students and their parents increased after the class. And the overall affection with the mother increased significantly. Also, students' bonds with both mother and father were significantly improved. Based on these results, the necessity and direction of home economics class were discussed to form a positive relationship between adolescent children and their parents.

Case Study of Application of Global Industrial Technology Curriculum for International Students - Focusing on J College - (외국인 유학생의 글로벌 산업기술 교육과정 적용 사례 연구 -J 대학을 중심으로-)

  • Song, Yujin;Lee, Jongkil
    • Journal of Practical Engineering Education
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    • v.13 no.3
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    • pp.461-471
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    • 2021
  • This study investigated the application and satisfaction of the global industrial technology curriculum for foreign students at J University in Korea. In order to derive the global industrial technology curriculum, industry needs were analyzed, and the appropriateness of the curriculum was identified through the current status of the root industry. In order to investigate the satisfaction with the application of the global industrial technology curriculum, a questionnaire survey was conducted in the form of an in-person interview for two months from August to September 2021 for foreign students. The questionnaire surveys included general information of the subjects, the status of completion of the curriculum, questions about class satisfaction, the process of obtaining certifications, and whether or not they were employed. As a result of the study, the reasons for choosing the curriculum of the respondents were their interest in subjects related to the root industry (welding, machining, etc.) and the issuance of Korean employment and visas (E-7). The most preferred subject was welding practice at 36.8%, and in terms of subjects considered necessary, the subject of basic major terminology was the most at 29.2%. The difference in satisfaction between graduates and current students who applied the same curriculum was tested, and as a result of the analysis, it was confirmed that there was no difference in satisfaction between current students and graduates through the t test (significance level p=0.05). We believe that this study is meaningful in that it provides basic data for the domestic industrial technology curriculum for foreign students and suggests the direction of related research in a time when the existence of universities is threatened due to the decrease in the school-age population.