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재림교회 목회자 사모의 자아정체감과 결혼생활 만족도, 사회적 바람직성 및 행복감 간의 관계
정구철(Jeong Goo Churl) 삼육대학교 신학연구소 2018 신학과 학문 Vol.22 No.-
The purpose of this study was to identify the relationships of self-identity, marital satisfaction, and sense of happiness among Seventh-Day Adventist pastor s wives. The subjects of this study were 125 pastor’s wives, and statistical analysis was performed using correlation analysis and multiple regression analysis. As a result of analysis, first, there were significant positive relationships among self-identity, marital satisfaction, and subjective well-being. Second, the group who perceived that spirituality was promoted after marriage was significantly more happy. Third, self-identity had a significant positive effects on subjective well-being. Implications of these results were explored in relation to the importance of self-identity and marital satisfaction that could be taken to improve spirituality and sense of happiness. In addition, suggestions for future research were discussed.
대학생의 정신건강과 데이트 폭력 간의 관계에서 관계중독의 매개효과
정구철(Jeong, Goo-Churl) 한국웰니스학회 2021 한국웰니스학회지 Vol.16 No.2
본 연구는 대학생들의 정신건강과 관계중독 및 데이트 폭력 간의 관계를 분석하기 위해 수행하였다. 연구 대상은 대학생 168명이었다. 연구결과, 첫째, 강박증과 데이트 폭력 피해 경험 간의 관계에서 관계중독은 완전매개효과가 있었다. 둘째, 정신분열증과 데이트 폭력 피해 간의 관계에서 관계중독은 유의한 부분매개효과가 있었다. 셋째, MMPI-2의 재구성 임상척도 중 피해의식과 데이트 폭력 피해간의 관계에서 관계중독은 유의한 부분 매개효과가 있었다. 넷째, MMPI-2의 재구성 임상척도 중 경조증적 상태와 데이트 폭력 피해간의 관계에서 관계중독은 유의한 완전매개효과가 있었다. 이러한 결과를 통해 정신건강이 좋지 않은 사람들이 관계중독을 통해 데이트 폭력에 취약한 것을 경고하였다. 그리고, 관계중독 예방을 위해 삶의 의미를 찾거나 용서와 같은 적극적인 대처 방법을 사용하는 것에 대해 논의하였다. This study aimed to analyze the relationship between mental health, relationship addiction and dating violence among college students. The subjects of this study were 168 college students. As a result of the study, first, relationship addiction had a completely mediating effect in the relationship between obsessive tendency and dating violence. Second, relationship addiction had a significant partial mediating effect in the relationship between schizophrenia and dating violence. Third, relationship addiction had a significant partial mediating effect in the relationship between damage consciousness, in the reconstruction clinical scale of MMPI-2, and dating violence. Fourth, relationship addiction had a significant completely mediating effect in the relationship between the hypomanic state, in the reconstruction clinical scale of MMPI-2, and dating violence. These results warned that people with poor mental health are vulnerable to dating violence through relationship addiction. In addition, we discussed finding the meaning of life or using active coping methods such as forgiveness to prevent relationship addiction.
시간 지연을 갖는 2차 시스템 모델링 기법을 이용한 외란 관측기 설계
鄭求種(Goo-jong Jeong),孫瑛翼(Young-Ik Son) 대한전기학회 2009 전기학회논문지 Vol.58 No.1
This paper presents a method for designing a robust controller that alleviates disturbance effects and compensates performance degradation owing to the time-delay. Disturbance observer(DOB) approach as a tool of robust control has been widely employed in industry. However, since the Pade approximation of time-delay makes the plant non-minimum phase, the classical DOB cannot be applied directly to the system with time-delay. By using a new DOB structure for non-minimum phase systems together with the Smith Predictor, we propose a new controller for reducing the both effects of disturbance and time-delay. Moreover, the closed-loop system can be made robust against uncertain time-delay with the help of a PID controller tuning method that is based on a second-order plus dead time modeling technique.
고혈압·당뇨병 노인환자의 복합운동프로그램 참여가 체력수준 및 혈액성분에 미치는 영향
정구열(GU-Yeol Jeong) 한국발육발달학회 2020 한국발육발달학회지 Vol.28 No.3
The purpose of this study was to examine the effects of a combined exercise program on fitness levels and blood components in elderly patients with hypertension (n=24) or diabetes (n=19) residing in Bukgu in G Metropolitan City. The program was conducted three times per week for 12 weeks. By conducting the combined exercise, elderly patients with hypertension showed a statistically significant difference in fitness (muscle strength, muscle endurance, agility, and flexibility) and blood pressure and blood components(blood sugar, cholesterol, LDL, and systolic blood pressure). Also, elderly patients with diabetes showed a statistically significant difference in fitness(muscle endurance, agility, and flexibility) and blood pressure and blood component(cholesterol and LDL). Based on the findings, the combined exercise program conducted three times per week for 12weeks positively changed fitness levels, was effective for disease prevention, and maintained a regular exercise habit and insufficient exercise in elderly patients with hypertension and diabetes. Therefore, it is expected that the program will be helpful to maintain their healthy life.
정구철(Goo-Churl Jeong),조민국(Min-Guk Cho) 한국콘텐츠학회 2017 한국콘텐츠학회논문지 Vol.17 No.8
본 연구는 성인들의 사회․심리적 스트레스와 인터넷 및 스마트폰 중독 간의 관계에서 학습된 무력감과 지연행동의 매개효과를 검증하고자 한다. 연구대상은 성인 231명(남: 114명, 여: 117명)이었으며, 평균 연령은 27.7세(SD=6.6)였다. 분석결과, 첫째, 스트레스는 인터넷 중독 및 스마트폰 중독과 유의한 정적 상관관계가 있었다. 둘째, 스트레스와 인터넷 중독 간의 관계에서 학습된 무력감의 매개효과는 유의하였다. 셋째, 스트레스와 인터넷 중독 간의 관계에서 학습된 무력감을 통해 지연행동을 거치는 매개효과는 통계적으로 유의하였다. 넷째, 스트레스와 스마트폰 중독 간의 관계에서 학습된 무력감의 매개효과는 유의하였다. 다섯째, 스트레스와 스마트폰 중독 간의 관계에서 학습된 무력감을 통해 지연행동을 거치는 매개효과는 유의하였다. 이러한 연구결과를 바탕으로 스트레스와 인터넷 중독 간의 관계에서 학습된 무력감과 지연행동의 역할을 논의하였다. This study examines the mediating effects of learned helplessness and procrastination in the relationship between social-psychological stress and internet·smartphone addiction among adults. The study subjects were 231 adults (114 males and 117 females) with a mean age of 27.7(SD=6.6) years. The results of the study are as follows. First, stress and internet·smartphone addiction had a significant positive correlation. Second, the mediating effect of learned helplessness in the relationship between stress and internet addiction was significant. Third, the mediating effect of learned helplessness through procrastination in the relationship between stress and internet addiction was significant. Forth, the mediating effect of learned helplessness in the relationship between stress and smartphone addiction was significant. Fifth, the mediating effect of learned helplessness through procrastination in the relationship between stress and smartphone addiction was significant. Based on the results of this study, we discussed the role of helplessness and procrastination in the relationship between stress and internet addiction.
정구인(Jeong Ku-In),권정민(Kwon Jung-Min) 한국태양에너지학회 2015 한국태양에너지학회 논문집 Vol.35 No.6
In this paper, a parallel operating technique for the stand alone photovoltaic (PV) power conditioning system (PCS) is proposed. The proposed parallel operating technique can increase the power rating of the system easily. Also, it provide three-phase connection function. The proposed technique does not separated master and slave system. Also, it does not use the separated synchronization line. Therefore, the PCS can supply continuous power even if one of the PCS breaks down. This technique is composed of a phase locked loop (PLL) control, droop control, current limit control and etc. Experimental result obtained on 2-kW prototype to verify the proposed technique.