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        전산시스템 활용능력은 중요한가?: 변혁적 리더십과 직무열의 및 직무성과 관계에서의 조절역할

        조영삼(Youngsam Cho),신종식(Jongsik Shin) 한국인터넷전자상거래학회 2020 인터넷전자상거래연구 Vol.20 No.2

        This study aims to develop and empirically test a research model to better understand the relationship among transformational leadership, utilization ability for computational system, work engagement, and job performance. In particular, we focus on the direct effect of utilization ability for computational system and the interaction effect between transformational leadership and utilization ability for computational system on work engagement and job performance of employees. The results indicated that transformational leadership was positively related to both work engagement and job performance. Utilization ability for computational system was also positively related to the two outcome variables. Authors then examined the moderating effect of utilization ability for computational system among transformational leadership, work engagement, and job performance. The two interaction terms had the positive impacts on the two outcome variables of the employees. In other words, the positive relationships among transformational leadership, work engagement, and job performance were stronger when the perception of employees for their own utilization ability for computational system was higher. The findings suggest comprehensive implication in information technology and leadership research field by emphasizing the importance of utilization ability for computational system in organizations.

      • 연료물성이 휘발유 차량 성능에 미치는 영향에 대한 실험적 연구

        노경하(Kyeongha Noh),신종식(Jongsik Shin),이민호 한국자동차공학회 2020 한국자동차공학회 지부 학술대회 논문집 Vol.2020 No.6

        Circulated gasoline is Refined by each Oil refinery in South Korea, thus Fuel quality can different by crude oil property. But research of fuel property difference within the quality standards affect vehicle performance and emission is lack. Thus, In this study buys circulated gasoline in Domestic market, analyzes fuel properties, measures vehicle emissions and fuel economy. According to the result 4 samples of gasoline satisfy Korean fuel quality standards. Also gasoline density that is expected to affect fuel economy, each refinery showed a difference of up to 2.5%. In result of performance evaluation, All of sample’s vehicle emission test result satisfies Korean vehicle emission standards. Before correcting properties, Company A showed the highest fuel consumption. After correcting properties it showed fuel consumption of about 2.5% lower.

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