Empirical Study of Cost Management Success Determinants in Agile based Software Development Project: A Rasch Measurement Model Analysis

Ineffective cost management in software development causes project over budget and strongly contributed to project failure. Due to that, it is important to look at the success determinants that help software development community to have better cost management of the project. This paper identifies the success determinants in agile based software development project. The online survey is used in order to collect data from the respondents. The items involve the cost management process in the company in Malaysia. This paper used Rasch Measurement Model to analyze the result. Preliminary findings show a small number of respondents and the respondents are not representing the sampling unit becomes a problem to generalize the result. As a result, this paper provides very low item reliability and person reliability is acceptable. Therefore, more feedback from respondent is needed in order to increase the item and person reliability.