本研究欲探討智慧型手機、科技協助追加工作（TASW）與工作對家庭衝突之間的關係。主要研究目的有三項：（一）探討智慧型手機對於TASW的影響。（二）探討工作層級特性（工作負擔、任務依賴性、時間急迫性）對於TASW的影響。（三）探討TASW對於智慧型手機與工作對家庭衝突（時間、壓力）的中介影響。

　　本研究採用問卷調查的方式，共蒐集303份有效問卷，樣本發放對象為正職工作者。經實證研究結果發現，持有智慧型手機的員工會傾向於下班後使用科技執行追加工作。當知覺到任務的時間急迫性越高時，持有智慧型手機者對於TASW的表現較為強烈。而下班後使用科技執行追加工作會增加員工在工作對家庭的時間、壓力衝突。其中，持有智慧型手機的員工會因下班後使用科技執行追加工作，減少其工作對家庭的壓力衝突。

The present research focused on the relationships among smartphone, technology assisted supplemental work (TASW) and work to family conflict. There are three main purposes in the research. First, exploring whether smartphone influence TASW. Second, exploring whether work characteristics (workload, task interdependence, time urgency) influence TASW. Third, examining the relationship between smartphone, time-based and strain- based work to family conflict when TASW as the mediator.

　　Survey data were collected from 303 full- time employees. Results of hierarchal regression analyses discovered that the employees who used smartphone will tend to engage in more technology assisted supplemental work after regular work hour. Moreover, when the employees who used smartphone perceived higher task urgency, the relationship between smartphone and TASW will be higher. The result also indicated that TASW will increase time-based and strain-based work to family conflict. The employees who used smartphone assisted supplemental work after work will reduce strain-based work to family conflict.

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