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探討產品屬性、廣告訴求與圖像呈現方式之於貼文人氣與廣告說服效果之影響－以Instagram為例

為了解決How to pronounce tra的問題，作者劉禹彤 這樣論述：

　　有鑑於現代人生活中無可或缺的行動網路和社群媒體之趨勢，本研究選用使用者數量全球高達八億之社群圖像媒體Instagram作為實驗背景，並且採實驗法2 x 2 x 2的多因子設計，自變項為：「同類型之不同屬性產品（享樂型/實用型）」、「Instagram廣告文案（感性訴求/理性訴求）」以及「Instagram呈現圖像（靜態/動態）」，依變項則包括：「貼文人氣」、「廣告態度」和「購買意願」以及處理流暢性對自變項（產品屬性、廣告訴求、圖像呈現）與依變項（貼文人氣、廣告態度、購買意願）之間的中介效果。本研究希望探討透過個體在使用Instagram時的廣告說服效果，並且在瀏覽兩種相異類型的產品廣告時

，產品屬性、廣告訴求以及圖像呈現的何種搭配呈現能夠獲得最多的貼文人氣，以及促進更佳之廣告態度和購買意願，期望能得到理論框架的實驗結果以及策略性的洞察觀點，提供建議給未來需要在Instagram實際廣告之品牌商家們。　　研究結果顯示，（1）在Instagram廣告貼文中，比起實用產品，享樂產品會產生更佳的廣告效果；（2）在享樂產品的Instagram廣告貼文之中，採用感性訴求或者動態呈現會對廣告效果有正向影響；（3）在實用產品的Instagram廣告貼文之中，採用理性訴求或者靜態呈現會產生較好的廣告效果；（4）處理流暢性對於產品屬性、廣告訴求以及圖像呈現之間皆無中介效果。

補充維生素B12對素食者血中同型半胱氨酸濃度之影響

為了解決How to pronounce tra的問題，作者余葦琳 這樣論述：

BackgroundVegetarian diet is associated with various beneficial outcomes on health. However, potential drawbacks of vegetarian diet and possible solutions remain uncertain. Vegetarian diet is potentially deficient in Vitamin B12, since foods of animal origins are the main sources of it. Vitamin B12

serves as an important co-factor in Homocysteine (Hcy) metabolism.ObjectivesThe objectives of this study are: 1) To evaluate the Vitamin B12 and Hcy status among vegetarians; 2) To assess the efficacy of oral supplementation with Vitamin B12 on reducing the plasma Hcy levels among vegetarians.Mater

ials and methodsA prospective cohort study of Tzu Chi Health Study (TCHS) was conducted at Buddhist Dalin Tzu Chi Hospital. A total of 6002 adults aged 18 to 87 years old who came to hospital for a health examination were recruited during October 2007 to December 2009. Blood samples for evaluation o

f Hcy and Vitamin B12 levels were taken in the first 1528 participants. Sixty-five vegetarians with hyper Hcy (plasma Hcy >12 μmol/L) participated the further intervention study. Participants were randomly assigned in a 1:1 ratio into interventional group (n=33) and control group (n=32). Baseline de

mographic status of the participants was assessed by questionnaires, general physical examination and laboratory tests. Participants in the intervention group received an oral tablet of 500μg Vitamin B12 daily, while the control group received a placebo tablet daily, with the duration of interventio

n for 6 months. Repeated measurements of plasma Hcy and Vitamin B12 were taken at 0, 3, 6, 9 and 12 months.ResultsOut of the 1528 participants 66.6% are non-vegetarians and 33.4% are vegetarians. Vegetarians significantly have higher Hcy, lower Vitamin B12 and higher folic acid level. In the subsequ

ent randomized controlled trial study, the reduction of plasma Hcy level is significant starting from the 3rd month after the supplementation (β±SE= -6.23±1.50, p