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리더-구성원 교환관계가 고객지향성에 미치는 영향 : 조직몰입의 매개효과를 중심으로
정찬우 ( Jung¸ Chan Woo ) 한국장기요양학회 2021 장기요양연구 Vol.9 No.2
본 연구는 노인요양시설에서 근무하는 요양보호사의 조직몰입과 고객지향성에 리더-구성원 교환관계가 미치는 영향력을 분석하고, 조직몰입의 매개효과 검증을 통하여 노인요양시설의 서비스 질 향상을 위한 정책적 방향성을 제시하기 위한 목적으로 수행되었다. 이를 위하여 고양시에 위치한 정원이 50인 이상인 노인요양시설에서 근무하는 요양보호사 400명을 대상으로 설문을 하여 회수된 374부의 데이터를 사용하여 분석을 하였고, 각 변수간의 경로와 직·간접 효과를 알아보기 위해서 구조방정식 모형을 설정하고 분석을 실시하였다. 연구결과 첫째, 리더-구성원 교환관계와 조직몰입, 고객지향성의 인과관계를 확인하였다. 이를 통하여 리더-구성원 교환관계의 질을 높이면 조직몰입이 향상되는 것으로 분석되었다. 둘째, 리더-구성원 교환관계가 고객지향성에 영향을 미치는 관계에서 조직몰입의 매개효과가 통계적으로 유의미함이 검증되었다. 이러한 연구결과는 리더-구성원 교환관계가 높아지면 조직몰입이 높아지며, 리더-구성원 교환관계가 조직몰입을 경유해서 고객지향성에 유의미한 영향을 미친다는 것을 설명한다. 이에 노인요양시설의 서비스 질 향상을 위한 방법으로 리더-구성원 교환관계를 높이는 것에 대한 정책적 방향성을 제시하였다. The purpose of this paper was to present a policy direction to improve the quality of service in nursing home for the elderly and to investigate the influence of LMX (Leader Member Exchange) on the organizational commitment and customer orientation of care helper in nursing homes. To this end, for verification, this study analyzes three hundred seventy four survey papers from four hundred geriatric care helpers who work in the nursing home, that the number of space to be accommodated is more than fifty people, for the elderly in the Goyang city. To summarize, the result of this study is as follows. First, there is a cause-and-effect relationship between the leader member exchange and organizational commitment, and customer orientation. Through this study, Improving a the quality of leader member exchange can also improve the organizational commitment and customer orientation. Second, there is a meaningful mediating effect of organizational commitment on relationship between the leader member exchange and customer orientation statistically. Consequently, this study shows an increase in organizational commitment according to an increase of LMX, furthermore, it explains a meaningful effect of LMX on customer orientation through organizational commitment. Based on these research results, a policy direction for improving the service quality of the nursing home for the elderly.
Chanwoo Park,Namin Koo,Jino Kwon,Joo-Hoon Lim,Yong-Ho Jeong,Jung-Ho Kim 한국토양비료학회 2014 한국토양비료학회지 Vol.47 No.1
This study was conducted to determine the changes in soil chemical properties and the growth of seedling according to the different dredged soil improving methods at slope of Saemangeum sea dike. Undersea dredged soil was improved by five different methods. Seedlings of Ulmus davidiana var. japonica, Chionanthus retusa, Celtis sinensis, and Pinus thunbergii were planted after 9 month of experience site installation, then soil pH, NaCl concentration in soil, soil organic matter (SOM), and survival rate and height of seedling was measured. Initial soil pH was highest in the control plot but it decreased to the similar level with other soil improving plots after 35 months. There were no differences in NaCl concentration between the control and soil improving plots, and it showed decreasing tendency during the study period. In the control plot, initial SOM was lowest among that of other plots during the study period. The survival rate of 36 months after planting of P. thunbergii was highest among the species. The gap of the tree growth of P. thunbergii between the control plot and the soil improving plots was small, however, other species showed relatively higher tree height in the soil improving plots than the control plots. Creation forest with P. thunbergii might be a cost effective afforestation in coastal reclaimed land since it rarely needs additional improvement of dredged soil.
Chanwoo Moon,Sungho Lee,J.K. Chung 한국정밀공학회 2005 International Journal of Precision Engineering and Vol.6 No.2
The precision stage is an essential device for optic fiber assembly systems, micro machines and semiconductor equipments. A new piezoelectric inchworm type actuator is proposed to implement an actuator-integrated long-stroke linear stage. An in-and-quadrature phase (I/Q) heterodyne interferometer is developed as a feedback sensor of a servo system, and a synchronized counting method is proposed. The proposed measurement system can measure the accurate position of fast moving object with robustness to external sensing noise from actuator vibration. The developed servo stage will be applied to optic fiber device assembly system.
Interface Resistance Switching Characteristics of Metal/Nb-Doped SrTiO3 Junctions
Chanwoo Park,김동욱 한국물리학회 2007 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.50 No.I
We report on the transport properties of junctions consisting of metal electrodes (M = Ti, Ni, and Pt) and (001)-oriented Nb-doped SrTiO$_3$ (Nb:STO) single crystals. The junctions with M = Ti, which had a shallow work function, exhibited linear current-voltage ($I$-$V$) characteristics without hysteresis. For M = Ni and Pt, with a large work function, the junctions showed rectifying $I$-$V$ characteristics and notable hysteresis upon polarity reversal. The resistance change ratio for M = Ni (Pt) did (not) depend on the doping ratio of Nb:STO. This clearly suggests that the metal work function may not be sufficient to explain the resistance switching.
Chanwoo Park,Chang-Yeol Joh,Young-Sang Kim 한국정밀공학회 2009 International Journal of Precision Engineering and Vol.10 No.2
In this study, the optimization of an aircraft wing design was conducted using multidisciplinary design optimization (MDO), which integrates aerodynamic and structural analysis in considering nonlinear structural behavior. Automation is an absolute necessity to make the MDO framework practical for actual engineering optimization problems. The objective of this research was to develop a fully automated MDO framework in which the entire process is automated through a parametric-modeling approach. The computational fluid dynamics (CFD) grid was generated automatically from parametric modeling using CATIA and Gridgen, followed by automatic flow analysis using FLUENT. The computational structure mechanics (CSM) grid was generated automatically by the parametric methods of CATIA and MSC/Patran. The structure was analyzed by ABAQUS considering the deformation nonlinearity, and the aerodynamic load was transferred from the CFD grid to the CSM grid using the volume spline method. The response Surface method was applied for optimization, which helped achieve the global optimum. The developed MDO framework was applied to a wing optimization problem in which the objective was wing weight and the constraints were the lift-drag ratio, wing deflection, and structural stress level. The aspect ratio, taper ratio, quarter-chord sweep angle, skin thickness, and spar flange area were the design variables. The optimization design result demonstrated a successful application of the fully automatic MDO framework.