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以科技接受模式探討民眾對線上健身課程之使用意願

為了解決Kicks 215 55 17的問題，作者林欣穎 這樣論述：

2021年教育部體育署調查110年國人運動現況結果報告指出COVID-19疫情改變民眾運動方式，居家運動比例大幅提升15.3%，這樣的現象也呼應美國運動醫療協會(ACSM)預測全球運動趨勢2021年第一名為「線上訓練」、2022年第二名為「居家健身」的調查報告。因此本研究目的要探究台灣民眾對線上健身課程使用的意願，掌握民眾意向進而提供產、官、學界推動數位轉型之參考價值。本研究以科技接受模式分析不同背景變項的民眾對線上健身課程在知覺有用性與知覺易用性構面對使用意願的影響，結果表明性別與年齡對知覺易用性產生顯著性差異;年齡對知覺有用性與知覺易用性呈現高度相關，知覺易用性對使用意願具高度相關;迴歸

分析結果表明僅知覺易用性達顯著水準，弱化預測使用意願的整體解釋力。本研究認為線上健身課程的知覺易用性構面明確推升使用意願，但在知覺有用性構面未對使用意願產生具體影響力，意旨線上課程的臨場感不及於實體課程，因此建議強化虛擬實境技術應用，藉此提升知覺有用性構面。另外實體課程與線上課程兩者間優劣互補，因此現階段建議規劃虛實整合的課程推升民眾運動參與意願。

防衛合作協定之形構：以四國印太戰略與歐盟共同防衛政策為例

為了解決Kicks 215 55 17的問題，作者方淇 這樣論述：

In the past decades, we are witnessing a rapid growth of defense cooperation agreements(DCAs) in contrast to the decreasing amount of newly formed alliances. I examine theformation of DCAs in the lens of contextual change and costly signals. In terms of contextualchange, I construct the environment

of the strategic interaction by specifying both structuraland institutional context. Within these preceding contexts, I contend that DCAs are the productof two efforts by states. First, they are states’ adjustments toward unexpected contextual change,e.g.: global and regional structural change, ins

titutional bargaining, or the combination of both.Second, they are states commitment to the existing international institutions as well as broaderregional and international order. In both cases, states attempt to reduce the uncertainty in theinternational society. Accordingly, I conduct two case stu

dies: the Quadrilateral SecurityStrategy in the Indo-Pacific and the European Common Defense Policy. By conducting bothin-depth case studies and controlled comparisons, I conclude that given the rapid change ofsecurity challenges, states opt to strengthen existing regimes rather than engaging outrig

htconfrontations. Consolidation as such is achieved by signing DCAs to bolster the security anddefense networks.