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정해원,최진영,이원영 대한보건협회 1988 대한보건연구 Vol.14 No.1
Drug resistance of P 815 mouse tumor cells after various drug treatment were studied "by scoring the changes of cell sizes. Percent of cells with abnormal large cell size (larger than 15㎛. in diameter) increased by treatment of anticancer drugs. When the cells were treated with adriamycin, cells larger than 15㎛ in diameter were observed at second day post-treatment and the percent of larger cells reached maximum at 9th day post-treatment. Similar trends were observed following the treatment with cisplatin, 5-Fu, or methotrexate. Inverse relationship between survival of tumor cell population and percent distribution of large cells was observed when cisplatin was treated. Thus it was suggested that co-existence of abnormal large cells and cells in original size in the tumor cell population after drug treatment might be a key to determine that the cell line is resistant which thereby indication for next drug of choice.
광고소구, 관여도, 설득지식에 따른 동영상 네이티브 광고 효과
정해원,심성욱 한국광고PR실학회 2017 광고PR실학연구 Vol.10 No.4
본 연구는 광고소구, 관여도, 설득지식에 따른 동영상 네이티브 광고의 효과를 실험을 통해 검증하고자 하였다. 광고소구에 따라 정보형과 흥미형으로 구분하고, 관여도에 따라고관여 제품광고(노트북PC), 저관여 제품광고(캔커피)로 나누었다. 총 4개의 동영상 네이티브 광고 형태로 구분하여 광고효과를 조사하였다. 피험자는 20∼30대 대학생과 직장인을 포함한 일반인 320명을 선정했다. 4개의 실험광고물을 80명씩 무작위로 할당된 4 개의 집단에 각각 다른 실험광고물을 온라인으로 전송하여 사용자의 반응을 조사하였다. 연구결과, 실험1에서, 동영상 네이티브 광고는 광고소구에 있어서 흥미형보다는 정보형이 구매의도에 있어서 높은 광고효과가 나타났다. 그리고 관여도에 있어서 고관여 제품보다 저관여 제품에서 광고효과(브랜드태도, 구매의도)가 높게 나타났다. 광고태도에 있어서는 광고소구, 관여도 모두 유의미한 차이가 나타나지 않았다. 다음으로 실험2에서, 광고태도에 대한 설득지식수준과 광고소구 방식 간의 이원상호작용효과가 통계적으로유의미한 것으로 나타났다. 본 연구는 광고소구유형, 관여도, 설득지식수준에 따른 수용자가 지각하는 광고효과의 차이를 파악함으로써, 기존의 논의를 확장하고 동영상 네이티브 광고 전략수립 시 유의미한 기준을 제시하는 데에 도움이 될 것으로 기대된다. This study is designed to examine the effects of video-type native advertising according to the advertising appeal, involvement, persuasion knowledge. Thus, the objective of this study is to investigate the extent of users’ active role in video-type native advertising by applying a persuasion knowledge model. Moreover, this study attempts to examine the impact of advertising appeal and involvement, which are important factors of traditional advertisement, on native advertising. The results of this study are as follows, First, information-type showed higher advertising effects (intention for purchase) than entertainment-type in terms of advertising appeal. Besides, native advertising had higher advertising effects in terms of involvement (brand attitude and intention for purchase) in case of low-involvement product than high-involvement product. Second, a significant interactive effect was not observed between advertising appeal and involvement. Third, advertising effects were more positive with lower persuasion knowledge in both cases of article-type native advertising and video-type native advertising. Implications of study findings are provided that advertising effects can be high when native advertising is mainly composed of information-type contents rather than entertainment-type contents. Besides, advertising effects are higher in case of a low-involvement product than a high-involvement product.