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Impacts of Information Source and E-service Quality on Mobile Shopping Behavior in KakaoTalk
( Kyong-hwa Yi ),( Sua Jeon ),( Haejung Maria Kim ),( Judith Forney ) 한국패션비즈니스학회 2016 패션 비즈니스 Vol.20 No.6
KakaoTalk has become a reputed mobile social network and an inseparable part of people`s lives by leading the mobile industry in South Korea. However, there is a lack of studies in academia regarding perception of the consumers and assessment toward the mobile marketing and services by KakaoTalk. Based on the theoretical orientation of Elaboration Likelihood Model (ELM: Petty & Cacioppo, 1986) and electronic service quality (E-S-QUAL: Parasuraman, Zeithaml, & Malhotra, 2005), this study investigates the effects of information sources (Charles & Richard, 1988), and examines the consumer perception toward the service quality of KakaoTalk. A total of 209 responses were collected, using a self-administered survey in Seoul and Gyeonggi province, South Korea from March 2015 to June 2015. A seven-point Likert scale survey was developed to measure the information sources (i.e., argument quality, post popularity, and post attractiveness), electronic service quality (i.e., efficiency, fulfillment, privacy, and system availability), attitude (i.e., usefulness, preference, and overall attitude), and behavioral intention (i.e., like intention, share intention, and purchase intention). This study reveals a consensus that an online environment is different from the traditional retail context in terms of information source and service quality. Specifically, the results indicate that argument quality greatly impacts the attitudes of the individuals and their behavioral intention toward mobile shopping via social media channel. The most powerful factor among E-S-QUAL is “efficiency.” This dimension of service quality influences the customer perception of usefulness and preference as well as share and like intention toward mobile shopping on KakaoTalk.
박성준(Sungjun Park),최성한(Sunghan Choi),전수아(Sua Jeon),김가희(Kahee Kim),김경민(Kyungmin Kim),김운재(Woonjae Kim),박정호(Jungho Park) 한국추진공학회 2020 한국추진공학회 학술대회논문집 Vol.2020 No.11
혼합형 고체 추진제에 황색산화철은 연소촉매로 사용되며 고온, 고압에서 압력지수 값이 낮은 특성이 있다. 황색산화철은 수화물 형태이며 열과 압력 등에 의해 Fe₂O₃와 H₂O로 분해된다. 이렇게 분해 되면서 발생 한 수분에 의해 추진기관의 수명에 악영향을 끼칠 수 있다. 본 연구에서는 황색산화철의 자연 노화에 따른 결정상 변화, 휘발성 및 열분해 특성 그리고 밀도를 확인하였다. 또한 자연 노화된 황색산화철을 고체추진제에 적용하여 추진제의 초기점도, 연소속도와 인장강도 결과를 통해 연소촉매로써의 성능을 나타낼 수 있는지 확인하였다. Yellow iron oxide is a hydrate and decomposes into Fe₂O₃ and H₂O under heat and pressure. Moisture generated during decomposition can adversely affect the life of the propulsion rocket. In this study, the crystal phase change, volatility and pyrolysis characteristics, and the density of yellow iron oxide were confirmed according to natural aging. In addition, naturally aged yellow iron oxide was applied to the solid propellant, and the initial viscosity, combustion rate, and tensile strength results of the propellant were checked to see if it can exhibit the performance as a burning rate catalyst.
Customers’ Intrinsic and Extrinsic Motivations in Mobile Advertising
Alma Mehanovic,Maricela Martinez,Hanin Almuzaini,Sua Jeon 전남대학교 생활과학연구소 2019 生活科學硏究 Vol.29 No.1
Based on the two theories brand equity and theory of reasoned action it has been statistically proven that customers intrinsic and extrinsic motivations lead to intention to buy and brand loyalty when viewing a mobile advertising. There are 5 factors that were tested to see if this is true. Based on the literature review these 5 consist of (1) personalization, (2) informative-ness, (3) social influence, (4) attractiveness, and (5) entertainment. The first 3 were tested in response to intention to buy and the last two were tested for brand loyalty. Based on previous research from the literature review there were about 50 questions that were asked in the survey that pertained to the 5 listed factors. By using the Likert scale along with demographics questions, we were able to come up with nominal, ordinal, interval, and ratio questions when put into the SPSS system. From the results, there were 150 participants who responded to the survey via Qualtrics out of all the participants only 90 were tested who were Millennials. There were some interesting results that were gathered we found that males have a more favorable attitude towards advertising such as finding the ads more enjoyable and humorous. This was also found to be true in Wolin (2016) article that is a part of our literature review. However, this study discovered that women purchase more than men when it comes too mobile advertising.
Influencer Marketing: College Students’ Attitudes on Social Media
Omar Dominguez,Mayra Hernandez,Thomas Lee,Joy Smith,Sua Jeon 전남대학교 생활과학연구소 2019 生活科學硏究 Vol.29 No.1
Influencer marketing is a type of marketing in which respected experts are paid to advertise a product to influence follower attitudes. With the rise of social media use among college students, this study examines the effectiveness of influencer marketing in this market segment. Using data from 150 college students this study empirically examines the use of influencer marketing and the effect on college students’ consumer attitudes on social media. The results indicate that college students’ use of social media is positively associated with elevated consumer attitudes towards brands through influencer marketing. Discussion of these findings, their implications, and limitations are provided in the research.