대학교육서비스 품질이 학생만족, 대학이미지 및 행동의지에 미치는 인과모형연구

이경철(Lee, Kyung Cheol) 글로벌경영학회 2004 글로벌경영학회지 Vol.1 No.1

우리나라 대학은 대학시장의 급류와 함께 학령인구의 감소로 인한 교육서비스 수요의 감소, 교육시장의 개방, 대학특성화 지원사업 및 대학구조 개혁 등과 같은 거시적인 교육환경이 빠르게 변함에 따라 대학은 무한 경쟁으로의 패러다임 이전을 요구받고 있다. 이에 본 연구는 대학교육서비스 품질, 학생만족, 대학이미지 그리고 긍정적 행동의지에 대한 인과관계를 파악하기 위하여 구조방정식 모형을 개발하고 이를 검증한 것이다. 조사대상은 서울 소재 4년제 대학교 5곳에서 대학생 500명이며, 자료수집에 사용된 측정문항의 신뢰도(Cronbach α)는 SERVQUAL 측정문항(과정차원) .93, Kuh측정문항(성과차원) .90, 전반적 서비스품질 문항 .90, 학생만족 문항 .92, 대학이미지 문항 .88, 긍정적 행동의지 문항 .88로 비교적 양호하게 나타났다. 연구모형에 대한 가설검증을 위해 공분산 구조방정식 모형을 분석한 결과, 전체모형에 대한 적합도(GFI)는 .71, RMR은 .05로 모형의 적합성은 비교적 좋은 것으로 나타났다. 가설검증결과 유형성, 응답성, 투입지표, 상황지표 요인은 “대학교육서비스 품질”과 정(+)의 인과관계를 가지며, 또한 “학생만족”과 “대학이미지”가 각각 대학생들의 “긍정적 행동의지”에 정(+)의 관계를 가진다는 사실이 검증되었다 In this research, I applied SERVQUAL five levels (Tangibles, Reliability, Responsiveness, Assurance, Empathy) of PZB (1988) which represent process levels of education service quality after changing them to be appropriate for university characteristic but I assessed education service quality in terms of process and outcome by adding decision making promotion model of Kuh (1981) as a variable of outcome. The subjects were 500 students from 5 universities in Seoul. As a result of reliability analysis to research model, eight levels were extracted, five ones from SERVQUAL model (reliability figure α=0.9344) and three ones from Kuh s model(α= 0.9030). I can say that reliability is rather excellent because reliability to overall service quality is α=9030, reliability to students satisfaction is α=0.9243, reliability to university image is α=8795, reliability to positive behavior intention is α=0.8845. In order to verify validity to research model, I did exploratory factor analysis. The result was that explationary power of five levels of SERVQUAL model was 67.33% and explationary power of three levels of Kuh was 70.13%. So validity appeared to be relatively good. I analyzed covariance structural equation model in order to verify the hypothesis to research model (using AMOS 4.0 statistics package). Even though fitness to whole model was 0.71 and it didn t come up to 0.9, it was proved to be relatively good. RMR(Root Mean Square Residual) was 0.05 which was close to 0. So fitness was proved to be good. As a result of hypothesis test, the hypothesis 1(H1) was supported as tangibles, responsiveness, input indicator at the statistical significance level of P<0.05 and contextual indicator at the statistical significance level of P<0.1 has plus causal relationship with education service quality. It implicates that the following levels such as tangibles (physical conditions such as atmosphere and facility appropriate for classes), responsiveness (prompt response and solution to the student needs), input indicator (support of the activities of student clubs, professor s efforts to be familiar with students), contextual indicator (universities offer various programmes to students to promote their aptitude and character) have relatively important effect on education service quality. Hypothesis 5(H5) was supported at the statistical significance level of P<0.1 and Hypothesis 6(H6) at the statistical significance level of P<0.05. In other words, it was proved that the satisfaction of students had plus causal relationship with positive behavior intention of students and the image of university had also plus causation with positive behavior intention.

2GPa이상 압력에서 레이저 삭마에 의해 발생한 알루미늄 입자 점화 특성과 모델 연구

이경철(Kyung-Cheol Lee),박정수(Jeong Su Park),여재익(Jai-ick Yoh) 한국연소학회 2013 KOSCOSYMPOSIUM논문집 Vol.2013 No.12

The ignition of aluminum particles under high pressure and temperature conditions is considered. The laser ablation method is used to generate oxide-free aluminum particles exposed to pressures ranging between 0.35 and 2.2 GPa. A continuous wave CO₂ laser heats the aluminum target until ignition is observed. We confirm ignition by a spectroscopic analysis of AlO vibronic band of 484 nm wavelength, and the radiant temperature is measured with respect to various pressures for estimating the heating energy for ignition. The ignition characteristics of the oxide-free aluminum particles exposed to extremely high pressures are reported.

고에너지 빔 분포 형상을 고려한 폭약의 2-D 가열과 점화 연구

이경철(Kyung-cheol Lee),최윤수(Yoonsoo Choi),김형원(Hyungwon Kim),최정열(Jeong-Yeol Choi),여재익(Jai-ick Yoh) 한국추진공학회 2008 한국추진공학회 학술대회논문집 Vol.2008 No.11

레이저는 다양한 빔 에너지의 분포 형상을 가질 수 있으며 크게 정형화된 분포 형상은 모드로 구분하여 모드에 따른 빔 에너지 분포 형상은 예측이 가능하다. 본 연구에서는 고에너지의 빔 분포 형상에 따른 steel의 가열 모델을 제시하고 빔 분포 형상에 따른 가열 패턴의 예측과 비교를 수행하였으며, 가열 패턴이 폭약의 점화에 미치는 영향에 대해 논의 하였다. Various types of beam distributions of high energy lasers are classified by the mode patterns. We study two dimensional laser initiation of confined energetic materials with multiple beam profiles.

고온 고압 환경에서 레이저를 이용한 알루미늄 입자 생성과 점화

이경철(Kyung-Cheol Lee),타이라 쯔바사(Tsubasa Taira),구군모(Goon Mo Koo),이재영(Jae Young Lee),박정수(Jeong Su Park),여재익(Jai-ick Yoh) 한국연소학회 2012 KOSCOSYMPOSIUM논문집 Vol.- No.45

Characteristic of aluminum ignition under high temperature and high pressure is studied using lasers. The laser ablation method is used to generate aluminum particles exposed to a high pressure by using a nanosecond pulsed laser where the range of ablation pressure varies between 0.35 and 2.2 GPa. A CO₂ laser is used to supply radiative heat to the aluminum target surface for providing high temperature ranging between 5000∼9300 Kelvin. The ignition is confirmed using spectroscopy analysis of AlO vibronic band 484 nm wavelength. Also the radiative temperature is measured in various high pressure range for tracing the ignition temperature in high pressure conditions.

최대 2 GPa 고압 환경에서 알루미늄 입자의 점화 특성 연구

이경철(Kyung-Cheol Lee),타이라 쯔바사(Tsubasa taira),구군모(Goon Mo Koo),이재영(Jae Young Lee),여재익(Jai-ick Yoh) 한국연소학회 2013 KOSCOSYMPOSIUM논문집 Vol.- No.46

The ignition of aluminum particles under high pressure and temperature conditions is studied. The laser ablation method is used to generate aluminum particles exposed to pressures ranging between 0.35 and 2.2 GPa. A continuous wave CO₂ laser is then used to heat surface of the aluminum target until ignition is achieved. We confirm ignition by a spectroscopic analysis of AlO vibronic band of 484 ㎚ wavelength. The radiant temperature is measured with respect to various pressures for tracing of required heating energy for ignition. Then the ignition temperature is deduced from the radiant temperature using the thermal diffusion equation. The established ignition criteria for corresponding temperature and pressure can be used in the modeling of detonation behavior of heavily aluminized high explosives or solid propellants.

레이저를 이용한 마이크로/나노 알루미늄 입자 생성과 점화

이경철(Kyung-Cheol Lee),여재익(Jai-ick Yoh) 한국추진공학회 2012 한국추진공학회 학술대회논문집 Vol.2012 No.5

금속 연료로 사용되는 마이크로/나노 알루미늄 입자를 산화피막에 의한 점화 지연을 최소화 하는 점화 방법을 제시 하였다. 알루미늄 입자를 생성시킴과 동시에 가열하여 입자가 생성된 직후 산소와 접촉시 격렬한 산화 반응을 유도하여 점화를 시키는 방법이다. 1064 ㎚ 파장의 Nd:YAG 펄스 레이저를 이용한 레이저 삭마(laser ablation)를 알루미늄 시편에 발생시켜 입자를 생성하였으며, 산란 기법(scattering method)을 이용하여 입자를 가시화하여 생성을 확인하였다. 10.6 ㎛ 파장의 CO₂ 연속 레이저를 사용하여 알루미늄 시편을 가열하고 생성된 입자의 점화 열원으로 사용하여 알루미늄 입자가 점화되고 연소되어 이동하는 궤적을 확인하였다. Ignition delay of micro/nano aluminum particles is caused by aluminum oxide shell. The method of minimizing this ignition delay is proposed in the study. Generating and heating of particles are processed at the same time. As soon as heated particles are produced, they immediately contact with oxygen. Chemical reaction is induced on the contact surface instead of crystallization of oxide shell. Finally particles are ignited. Aluminum particles are generated by laser ablation on an aluminum plate using Nd:YAG pulse laser. Injected particles are confirmed through visualization of particles using scattering method. CO₂ continuous laser supplies heat to aluminum plate and generated particles. Trace of burning particles is observed in the experiment.

유아교육기관 평가인증제에서 각 참여주체의 역할에 관한 연구

이경철(Lee Kyung-Cheol) 한국열린유아교육학회 2006 열린유아교육연구 Vol.11 No.4

본 연구는 유아교육기관(산), 대학(학), 정부(관)의 협력체제하에서 평가인증제의 성공적인 정착을 위해 산ㆍ학ㆍ관의 주요역할(연구문제 1)과 산ㆍ학ㆍ관 역할의 세부항목(연구문제 2)을 도출하는 것에 그 목적을 두었다. 이러한 연구의 목적을 달성하기 위하여 사용한 연구방법으로 연구문제 1은 문헌분석과 델파이 1차 조사를, 연구문제 2는 델파이 2차조사 방법을 활용하였다. 연구결과, 첫째 연구문제 1(참여주체의 주요역할)에서는 유아교육기관에서 4개, 대학에서 4개, 정부에서 4개의 역할영역이 도출되어 총 12개의 역할영역이 선정되었다. 둘째, 연구문제 2(참여주체 역할의 세부항목)에서는 유아교육기관(산)의 4개 역할에서 22개 세부항목이, 대학(학)의 4개 역할에서는 17개 세부항목이, 정부(관)의 4개 역할에서는 17개의 세부항목이 도출되었는데, 산ㆍ학ㆍ관 참여주체별 12개 역할영역에서 적합성 검증을 통하여 선정된 총 56개 세부항목들의 문항들은 타당하고 신뢰로운 것으로 분석되었고, 세부항목에 대한 패널집단간 의견의 합의 정도가 비교적 높게 나타났다. After January, 2005, as Early Childhood Education Act and amended Infant and Young Children Nursery Act were put in place, it was determined that Kindergartens and nursery facilities would be evaluated by an institution of the national level and an accreditation system for accrediting formally will be introduced. A cooperative system from fields (early childhood education facilities), colleges (universities), and government (government institutions) are necessary to improve the quality of education and nursery. So this research's purpose is to draw the main roles of fields, colleges and government (research theme 1), detailed items of these roles (research theme 2), of fields, colleges and government in order to successfully settle the accreditation system under this kind of cooperative system. Literature analysis and the first Delphi method were used for the research theme 1, second Delphi method for the theme 2 to achieve this research purpose. First, as a result of research, a total of 12 role fields were selected. 4 from early childhood education facilities, 4 from colleges, 4 from government in the research theme 1 (main role of principal participants). Second, in research theme 2 (the detailed items of main participant role), 22 detailed items were drawn from 4 roles of early childhood education facilities (fields), 17 detailed items from 4 roles of universities (colleges) and 17 detailed ones from government (government facilities). So a total of 56 detailed items were analyzed validly and reliably and the agreement of opinions among panel groups appears to be relatively high.

프로젝트 접근법이 만 4 , 5 세 유아의 창의성 발달에 미치는 영향

이경철(Kyung Cheol Lee),황해익(Hae Ik Hwang) 부산유아교육학회 1999 유아교육논총 Vol.9 No.1

N/A N/A

위암에서 혈청 CA72-4의 의의

이경철(Kyung Cheol Lee),이상호(Sang Ho Lee),이승도(Sung Do Lee) 대한외과학회 1996 Annals of Surgical Treatment and Research Vol.51 No.4

대학교육서비스품질이 학생만족, 대학이미지 및 긍정적 행동의지에 미치는 인과모형 연구

이경철(Kyung Cheol Lee) 한국교육행정학회 2004 敎育行政學硏究 Vol.22 No.4

우리나라 대학은 대학시장의 급류와 함께 학령인구의 감소로 인한 교육서비스 수요의 감소, 교육시장의 개방, 대학특성화 지원사업 및 대학구조 개혁 등과 같은 거시적인 교육환경이 빠르게 변함에 따라 대학은 무한 경쟁으로의 패러다임 이전을 요구받고 있다. 이에 본 연구는 대학 교육서비스 품질 학생만족 대학이미지 그리고 긍정적 행동의지에 대한 인과관계를 파악하기 위하여 구조방정식 모형을 개발하고 이를 검증한 것이다. 조사대상은 서울 소재 4년제 대학교 5 곳에서 대학생 500명이며, 자료수집에 사용된 측정문항의 신뢰도(Cronbach α) 는 SERVQUAL 측정문항(과정차원).93, Kuh 측정문항 (성과차원) .90, 전반적 서비스품질 문항 .90, 학생만족 문항 92.대학이미지 문항 .88, 긍정적 행동의지 문항 .88. 로 비교적 양호하게 나타났다. 연구모형에 대한 가설검층을 위해 공분산 구조방정식 모형을 분석한 결과, 전체모형에 대한 적합도 (GFI)는 71. RMR은 .05로 모형의 적합성은 비교적 좋은 것으로 나타났다. 기절검증절과 유형 성, 응답성, 투입지표, 상황지표 요인은 “대학교육서비스 품질” 과정 (+) 의 인과관계를 가지며, 또한 "학생만족"과 "대학이미지"가 각각 대학생들의 "긍정적 행동의지"에 정 (+)의 관계를 가진 다는 사질이 검증되었다. In this research, I applied SERVQUAL five levels (Tangibles, Reliability, Responsiveness, Assurance, Empathy) of PZB (1988) which represent process levels of education service quality after changing them to be appropriate for university characteristics. But I assessed education service qualities in terms of processes and outcomes by adding decision making promotion model of Kuh (1981) as a variable of outcome. The subjects were 500 students from 5 universities in Seoul. The reliability analysis of research model were conducted at eight levels, five levels from SERVQUAL model (reliability figure α = 0.9344) and three levels from Kuh's model ( α = 0.9030). Reliability is rather excellent because reliability coefficient of overall service quality is α =0.9030, reliability coefficient of students satisfaction is α=0.9243, reliability to university image is α =0.8795, reliability to positive behavior intention is α=08845. In order to verify validity of research model, I did exploratory factor analysis. The result was that explationary power of five levels of SERVQUAL model was 67.33% and explationary power of three levels of Kuh was 70.13%. So validity appeared to be relatively good. Covariance structural equation model was performed to verify the hypothesis of research model (using AMOS 4.0 statistics package). Even though fitness to whole model was 0.71 and it didn't come up to 0.9, it was proved to be relatively good. RMR(Root Mean Square Residual) was 0.05 which was close to 0. So fitness was proved to be good. As a result of hypothesis test, the hypothesis 1 (H1) was supported as tangibles, responsiveness, input indicator at the statistical significance level of P<0.05 and contextual indicator at the statistical significance level of P<0.1 has plus causal relationship with education service quality It implicates that the following levels such as tangibles (Physical conditions such as atmosphere and facility appropriate for classes), responsiveness (prompt response and solution to the student needs), input indicator, contextual indicator have relatively important effect on education service quality. Hypothesis 5(H5) was supported at the statistical significance level of P<0.1 and Hypothesis 6 (H6) at the statistical significance level of P<0.05. In other words, it was proved that the satisfaction of students had plus causal relationship with positive behavior intention of students and the image of university had also plus causation with positive behavior intention.