• Journal of Multimedia Information System
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• 제9권3호
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• pp.201-208
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• 2022

Customized service is a vital and mandatory element for apps in improving their technical performance and app customer analysis. While apps require users' consent for their data extraction and usage, many of the terms and agreement forms are written intricately, making it harder for users to fully understand the whole concept of users' data collection for customized services. Ever since the Facebook-Cambridge Analytica scandal, personal data privacy has been re-examined, forcing many app companies to reinforce a reliable solution to data privacy issues. However, there has not been a secured solution, which worries many people about the future advanced issues when metaverse platforms are actively used in daily apps. The research aims to collect the reactions and behaviors of everyday app users who utilize apps with customized services to understand the nature of privacy data issues and the users' opinions about the future implementation of metaverse platforms. The method of the research was an online questionnaire that targeted university students. The study revealed many fearful and anxious reactions about personal data and further metaverse issues where most app users were uneducated about how current apps collect and utilize users' private data.

• 아태비즈니스연구
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• 제14권4호
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• pp.37-48
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• 2023

Purpose - This study aims to explore the influence of emotional discrepancies among investors on the cryptocurrency market. It focuses on how varying emotions affect market dynamics such as volatility and trading volume in the context of Bitcoin trading. Design/methodology/approach - This study involves analyzing data from Bitcointalk.org, consisting of 57,963 posts and 2,215,776 responses from November 22, 2009, to December 31, 2022. Tools used include the Linguistic Inquiry and Word Count (LIWC) software for classifying emotional content and the Python Pattern library for sentiment analysis. Findings - The results show that heterogeneous emotional feedback, whether positive or negative, significantly influences Bitcoin's intraday volatility, skewness, and trading volume. These findings are more pronounced when the underlying emotion in the feedback is amplified. Research implications or Originality - This study underscores the significance of emotional factors in financial decision-making, especially within the realm of social media. It suggests that investors and market strategists should consider the emotional landscape of online forums when making investment choices or formulating market strategies. The research also paves the way for future studies regarding the behavioral impact of emotions on the cryptocurrency market.

• 한국환경보건학회지
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• 제38권6호
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• pp.561-567
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• 2012

Objectives: Parabens are widely used as antimicrobial agents in pharmaceuticals and cosmetics as well as by the food industry. Parabens have been reported to show weak estrogenic activity and be related to health effects such as allergic reactions and skin and breast cancer. We evaluated an online solid phase extraction (SPE) method coupled with LC-MS/MS technique using free and conjugated parent parabens in human urine for assessing human exposure to parabens. Methods: We employed LC/MS/MS through online solid phase extraction and column-switching techniques and analyzed free and conjugated parabens as biomarkers of human exposure. Four major parabens, methyl-paraben (MP), ethyl-paraben (EP), propyl-paraben (PP) and butyl-paraben (BP), were analyzed. Method validation was performed by sensitivity, accuracy, precision and comparison of the results of online SPE with offline SPE. Results: The limits of detection (LOD) were in the range of 0.2-2 ng/mL, and actual limits of quantification (LOQ) were in the range of 0.7-6 ng/mL urine, depending upon the compound. Accuracy was in the range of 98.3-106.4%, and precision was in the range of 1.3-8.7% (CV) depending upon the compound. We found a good correlation between the results of analysis by online SPE method and that by off-line SPE method. Conclusions: The online SPE method showed proper LOD and validated accuracy, precision and good correlation with the offline method for analyzing parabens in urine.

• 한국콘텐츠학회논문지
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• 제19권2호
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• pp.328-339
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• 2019

전 세계적으로 급속히 성장한 온라인 경쟁 환경에서 기업들은 효과적인 소비자 시선 집중을 위해 쇼핑 정보 콘텐츠에 대한 소비자 시각반응 이해가 필요하다. 소비자 특성에 따른 효과적인 쇼핑 정보 제공을 위해 소비자 유형별 쇼핑 정보의 시각 반응 차이가 규명되어야 한다. 이를 위해 본 연구는 아이트래킹 기법을 활용해 대표적 소비자 유형인 남성과 여성 간 온라인 쇼핑 정보에 대한 시각 주의도 차이를 탐색적으로 연구했다. 특히 다양한 광고채널에서 구매를 촉진시키기 위해 활용되어 온 휴먼 브랜드 콘텐츠가 온라인 쇼핑 환경에서 남녀 소비자 시각 행동에 어떤 영향을 미치는지를 80명의 남녀 대학생 대상 아이트래킹 실험을 통해 규명했다. 실험 결과 남성에 비해 여성이 휴먼 브랜드 이미지에 대한 시각주의도가 더 높게 나타났고, 휴먼 브랜드에 대한 남성과 여성 간 시각주의도 차이가 기능성 제품인 노트북보다 심미성 제품인 향수에서 더 크게 나타났다. 이러한 결과를 통해 본 연구는 시각행동 관점에서 남성과 여성에 대한 차별화된 온라인 쇼핑 콘텐츠 제공에 대한 이론적 근거를 마련하고, 온라인 쇼핑 웹페이지에서 상대적으로 간과되어 온 휴먼 브랜드 이미지 콘텐츠의 전략적 활용 가능성을 제시했다.

• 한국컴퓨터정보학회논문지
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• 제25권1호
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• pp.131-140
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• 2020

본 연구는 소비자들의 개인품절반응지수(ISRI) 개발에 대한 연구로, 온라인 쇼핑 시 품절 상황에 대한 소비자들의 인지적 반응, 감정적 반응 및 행동적 반응의 영향을 분석하였다. ISRI는 선행연구인 Kim and Lee(2016/2018)의 인지, 감정 및 행동적 반응을 근거로 하여 개발하였다. 설문 조사는 인터넷 설문 조사 기관에서 2014년 07월에 2주간 진행되었으며 754명의 설문대상자 중 전체 질문에 응답한 회수된 설문지는 총 526부였다. 이 회수된 설문지를 본 연구의 조사에 이용하였다. 자료의 분석은 SPSS 25.0 Package를 이용하였다. 개인풉절반응지수(ISRI)는 정규분포를 형성하였다. 본 연구의 개인품절반응지수(ISRI)는 개인화, 맞춤화가 급속도로 진행되는 4차산업혁명 시대에 소비자의 불편한 쇼핑상황인 품절 시 대안의 마련 근거로써 실무적 의의를 가진다.

• 복식문화연구
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• 제28권4호
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• pp.420-428
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• 2020

This study analyzed the expression of hanbok in online fashion styling games, and examined the main themes of and user reactions to hanbok fashion styling games through semantic network analysis and sentiment analysis. KrKwic, Textom, and NodeXL were used for data collection and analysis. The findings of the study are as follows: First, depending on the designer's expressive method, hanbok fashion styling games provide typical traditional hanbok, modern hanbok, and dress-like fusion hanbok, demonstrating contents with various themes for different sexes, classes, and situations. Second, as a result of analyzing the themes of hanbok-related styling game contents, it turned out that the main themes are tradition, color, historical drama, fusion hanbok, holiday, and love. Most of them produce modernized hanbok that reflect the situation and utility rather than strictly traditional ones. Third, as a result of analyzing user reviews of hanbok styling game contents, positive factors mostly turned out to be the satisfaction of the hanbok contents, with the users also showing positive intent to wear hanbok. Through this, it was found out that hanboks portrayed in game contents could potentially cause the user's positive intent to wear hanbok. Negative factors turned out to be the discordance between the intrinsic image of hanbok and the game character's image.

• 한국초등과학교육학회지:초등과학교육
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• 제39권1호
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• pp.54-68
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• 2020

The purpose of this study is to investigate how elementary teachers perceive and practice using Visual Thinking (VT) in science classes. For this, we collected 161 VT teaching materials for science that uploaded on the elementary teacher's online communities, and analyzed the characteristics. Also we interviewed four elementary teachers who have used VT in science class. The results are as follows. First, VT teaching materials shared in teacher's online communities were most often used to review the science concepts that students learned. Most of the materials required 'remember' among the Cognitive Process, and most of them provided layouts for VT activities. Second, the participants were using VT materials to review the science concepts they learned, so that students remember them. Third, the participants were satisfied because of the beliefs of effects as follows: facilitating learning and reviewing what students had learned; increasing students' positive reactions and confidence; learning through the interation among learners; the formation of habits thinking visually; indirect experiences of science class; possibility of class corresponding to learner characteristics. Fourth, the participants had difficulties in preparing for the VT science class, such as the burden of making VT materials, the long preparation time, concerns over overlapping contents, consideration of learners' VT skills, and the themselves' drawing ability. Furthermore, they also had difficulties in proceeding for the class, like different preference among learners about Visualization and loss of objectives in science class using VT. Fifth, the participants needed support as follows: platform to share students' VT results; VT case books and teachers' guidebooks; physical environment.

• 한국콘텐츠학회논문지
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• 제20권12호
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• pp.36-48
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• 2020

본 연구는 모바일앱 온라인 리뷰의 구전내용의 다이나믹스(Dynamics)를 확인하기 위해 내용분석을 실시하였다. 이를 통해 모바일앱 구전 단어 간의 관계를 알아보고 모바일앱 특성에 따라 분류하여 비교 조사하였다. 분석대상은 게임 앱 카테고리 내 10개의 앱으로 선정하였다. 수집된 해당 모바일앱 리뷰는 꾸준한 인기를 가진 Trend형 게임앱과 짧은 인기를 보인 Fad형 게임앱, 무료앱, 유료앱으로 분류하였다. 이후 형태소 분석 등 전처리 과정을 거친 데이터를 기반으로 텍스트마이닝과 Word2Vec 분석을 시도하였다. 연구결과, 앱 리뷰의 양은 순위변동과 상관관계에 있는 것으로 나타났다. 그러나 초기 10일간 변화는 상관관계가 낮거나 없는 것으로 나타났다. 이는 출시 직후 앱개발사의 단기 마케팅활동이 순위를 형성하는데 영향을 주기 때문으로 판단된다. 꾸준한 인기를 얻은 Trend형 게임앱과 짧은 인기를 얻은 Fad형 게임앱 간 리뷰내용의 다이나믹스(Dynamics)도 확인할 수 있었다.

• Safety and Health at Work
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• 제7권1호
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• pp.55-62
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• 2016

Background: This study aims to: (1) examine rates of obesity and physical health complaints among 911 telecommunicators; and (2) document the role of emotion dysregulation, psychological inflexibility, duty-related distress and dissociation, and psychopathology in predicting obesity and physical health complaints in this population. Methods: The sample consisted of 911 telecommunicators from across the country (N = 758). Participants completed an online survey assessing their mental and physical health functioning. Results: A total of 82.5% of the sample reported a body mass index that fell within the overweight or obese category and an average of 17 physical health complaints within the past month. Peritraumatic reactions (distress and dissociation), emotion dysregulation, and psychological inflexibility had effects on physical health largely through psychopathology (alcohol abuse, post-traumatic stress disorder, and depression). Conclusion: Development of adapted prevention and intervention efforts with this population is needed.

• International Journal of Contents
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• 제17권2호
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• pp.65-76
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• 2021

The aim of this study was to explore the use of Google Classroom as a learning management system for College English. The study targeted 34 university students. They took part in various activities, such as writing reactions to video lectures, peer-editing essays, and recording video presentations, et cetera. For the study, a t-test was conducted to evaluate the English development of the students. The two essays that each student wrote were used as the data sources. The result (t=-5.854, p=.000) indicated an improvement in their English writing proficiency. In addition, a survey was conducted to gather students' feedback regarding their perceptions towards the course. The study covered five aspects of their experience: Google Classroom, language development, Quizlet, classroom experience, and essay-writing experience. From the results, students indicated a positive response to the program. The use of Google Classroom in an online learning setting accomplishes two things; it helped the students in the development of their English proficiency, and provided activities that students find interesting, which in turn stimulates their self-learning spirit.