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정치 유튜버의 공신력 속성이 콘텐츠 태도와 유권자의 정치적 의사결정에 미치는 영향
김하나,Kim, Hana 한국콘텐츠학회 2022 한국콘텐츠학회논문지 Vol.22 No.10
The purpose of this study is to investigate effects of source credibility of political youtubers on attitude toward contents and politicians/political party and political decision making. The total number of 326 responses from online survey were analyzed. Results indicate that three factors of source credibility, similarity, charisma, and expertise positively affected attitude toward political contents on youtube in statistical significance. Five attributes of source credibility, familiarity, charisma, similarity, attractiveness, and trustworthiness positively affected attitude toward political youtube contents and politicians/political parties. Furthermore, attitude toward contents and politicians/political parties significantly increased voting intention to politicians/political parties.
김하나,송영옥,이지현,Kim, Hana,Song, Yeong Ok,Lee, Jeehyun 한국식품조리과학회 2015 한국식품조리과학회지 Vol.31 No.3
Sujeonggwa is a popular Korean traditional beverage. However, consumers only prepare it at home on special occasions due to the time and effort required. Developing a convenient form of Sujeonggwa may promote its consumption. The objectives of this study were to 1) develop Sujeonggwa in a tea bag using different sweeteners and 2) describe the characteristics of Sujeonggwa's flavor in tea bag samples and 3) determine how well consumers accept the tea bag samples. A total of four types of Sujeonggwa in a tea bag were developed: two samples with varying amount of sugar, another sample using sugar and stevia and the last sample using sugar and short chain fructo-oligosaccharide as a sweetener. A commercial ginger tea and cinnamon tea were used as control products. Descriptive analysis was conducted on the same six samples and a descriptive panel identified its attributes. A total of 61 consumers evaluated acceptability using a nine-point hedonic scale and how they felt about intensities of the samples using a just-about-right scale. The results indicated that consumers liked Sujeonggwa samples in a tea bag more than commercial ginger tea and cinnamon tea.
PDP에서 벽전압 손실이 어드레스 방전 지연 시간에 미치는 영향에 대한 연구
김하나(Hana Kim),김태식(Taesik Kim),신범재(Bhumjae Shin) 한국조명·전기설비학회 2009 한국조명·전기설비학회 학술대회논문집 Vol.2009 No.5월
본 논문에서는 어드레스 구간에서 벽전압 손실을 발생시키는 원인을 분석하고, 특히 어드레스 구간에서 각 전극 간의 다양한 전위 조건이 어드레스 방전 지연 시간에 미치는 영향을 조사하였다. 실험 결과를 통하여 벽전압 손실은 전극간의 셀 전압이 동시 방전점에서 비방전 영역으로 이동한 조건에서는 큰 영향을 받지 않지만, 전극간의 셀 전압이 방전 개시 전압의 조건에서는 큰 영향을 받게 되는 것을 확인하였다. 특히, XY 전극간의 전위조건에 의한 벽전압 손실보다는 AY 전극간의 진위 조건에 의한 벽전압 손실이 어드레스 방전 지연 시간 특성을 저해하는 주요한 원인임을 확인하였다.
국내 성인의 신체활동 증진을 위한 모바일 헬스 개입: 건강 형평성 중심의 체계적 검토
김하나 ( Hana Kim ),이지산 ( Jisan Lee ) 한국보건정보통계학회 2023 보건정보통계학회지 Vol.48 No.S1
Objectives: This study systematically review the existing literatures to identify the effectiveness of physical activity promotion programs using mobile health (mHealth) among Korean adults, with a focus on factors affecting health equity. Methods: To search for studies published in the past 10 years (from January 2013 to April 2023), Korean DBs (KoreaMed, KMBASE, KISS, RISS) were used. Hedge’g values were calculated to present uniform quantitative effect estimates for each study and to present pooled effect sizes for the same variables. Additionally, GRADE was used to assess the certainty of evidence and the review was conducted using the PROGRESS-Plus framework for health equity review. Results: Of the 1,204 literatures, 15 literatures were selected. Six prevention-based mHealth interventions and nine management-based mHealth interventions had significant effect sizes on multiple physical activity-related variables. A review of the PROGRESS-Plus factors revealed that personal characteristics (age, illness), occupation, and gender were the most frequently considered factors affecting health equity, while race, ethnicity, culture, language, religion, features of relationships , and time-dependent relationships were not considered. Conclusions: The results of the current study confirm the potential of mHealth-enabled physical activity promotion interventions to manage health and prevent disease in Korean adults. It also highlights the need to consider health equity in all phases of research design, implementation, and evaluation to provide opportunities for inclusive participation of a broad range of populations.
김하나(Hana Kim),임미영(Miyoung Lim) 한국환경사회학회 2015 환경사회학연구 ECO Vol.19 No.2
본 연구는 국내 노인가구의 사회 · 경제적 취약성과 전체 인구 대비 노인 가구 비율의 증가를 인식하고, 2014년 월간 가계동향조사 자료를 이용해 노인포함가구와 노인비포함가구의 에너지 소비 및 빈곤 현황을 파악하였다. 노인비포함가구, 자녀동거노인가구, 노인부부가구, 독거노인가구를 포함한 가구유형별로 에너지 빈곤의 주된 원인이라 할 수 있는 지불가능성, 접근가능성과 정보의 접근성 및 수용성을 대표할 수 있는 대리변수들(가구주의 학력수준, 거처구분 등)에 대해 소득대비에 너지지출비용을 살펴보았다. 그 결과 독거노인가구에서 소득대비 연료비 비율이 가장 높았고, 노인포함가구 가운데 저소득층에 해당하거나 읍면지역에 거주하거나 학력이 낮거나 단독주택에 거주하는 가구에서 소득대비연료비 비율이 유의미하게 높았다. 또한 노인포함가구는 노인비포함가구보다 전기, 등유, LPG의 의존도가 높았다. 이러한 분석을 통해 이 연구는 에너지 빈곤 해소 프로그램의 우선 적용대상과 이행 시 각 가구 유형 및 사회적인 요인에 따라 지불가능성이나 접근가능성 개선 등 정책수단 적용의 방향을 제시하였다. Recognizing the socioeconomic vulnerability of the elderly households and the increased share of elderly households compared to the total population in South Korea, this study analyzes the patterns of energy consumption and fuel poverty of the elderly households using 2014 Household Survey Data (Monthly). This study analyzes the differences between the proportions of energy expenditure to total income by household type including non-elderly households, living-with-children households, elderly-couple households, and living- alone households. Also, this study examines how different the proportions are by household type depending upon various socioeconomic factors, which are proxies for main causes of energy poverty including affordability of energy, accessibility to energy services, and accessibility to information of energy poverty relief programs. The study finds that elderly households relatively spends more on energy than non-elderly households; specifically, living-alone households spent the largest share of income among household types. In addition, the ratio of fuel expenditures to the total income is relatively higher in low-income, living-rural-area, low-educated or living-in-single-house elderly households. Furthermore, elderly households depend relatively more on electricity, kerosene, and LPG than non-elderly households. The findings of this study provides insights regarding how energy poverty relief program needs to be implemented.