ABSTRACT
When there is effective interface management application and implementation, effective project management is evident (Siao & Lin 2012). The key of interface management is to accurately describe interface management process and interface management issues, and thus effectively control
1 INTRODUCTION
In practice, failure to manage interfaces may result in additional work or in low project performance. In order to reach a common goal and mutual cooperation between project participants, one needs to effectively manage interface (Guo 2009). Interface is described as the role and the contact between project participants. Interface issues must exist in the interface management., Interface Issues are described as the state of substance, energy and information exchange process, and Interface Issues are the sum of all the negative effects (Liu & Shen 2012). Guo (1999) summarized the resulting factors of Interface Issues including sticky information, target differences, cultural differences and background differences, and pointed out the important role of effective interface management for business innovation and market performance. Vandevelde & Vandierdonck (2003) considered that different personalities, cultural differences, differences of organizational model, location factors and language problems led to the Interface Issues.
