The Role of User’s Knowledge in Evaluation of Task Difficulty in Face of Improvement of Enterprise IT in Organization

In Enterprise information technologies life cycle in organization, Different factors such as reengineering of processes, shift in regulations, performance improvement could cause periods of change in these Information technologies. The purpose of this study is the investigation of the role of user’s knowledge of these change periods based on their perception of task difficulty. For reaching to this purpose, data of 153 staff of one public bank and it’s for subsidiaries in Tehran is collected. this collection is based on a simple random sampling and is accomplishes by means of questionnaire. This study is an applied research which correlate between variables and use structural equation modeling for evaluation of cause and effects. Results by aide of SmartPLS3 software, showed that “command based knowledge”, “tool procedural knowledge” and “business procedural knowledge” affect user’s evaluation of task difficulties. It is also concluded that user’s with more technology experience evaluate tasks less difficult.