本研究主要目的是探究高雄市國中教師使用電子教科書時，其外部變數和認知有用性、認知易用性對電子教科書之認知與使用意願的相互關係。經量化分析後證實高雄市國中教師使用電子教科書的認知有用性、認知易用性和使用意願與外部變因之間具有顯著之相關性。政府應積極輔導電子教科書出版商研發教師易於使用且具豐富性的電子教科書，以提高教師使用的意願。

This study is based on the Technology Acceptance Model. The primary purpose of this study is to explore junior high school teachers' behavior pattern of using electronic textbooks in Kaohsiung city. The results show that there are significantly relevant in the ＂perceived usefulness＂, ＂perceived ease of use＂, ＂intention to use＂ to the external variables. The Government should actively guide the publishers to develop useful and plentiful electronic textbooks. It will raise teachers' intention on using electronic textbooks.