Organizational behavior researchers have recently distinguished positive psychology from prior IS project team members’ emotion frequency. We expanded this research by examining the psychological capital antecedents effect and second order variable on prior IS project team members’ creativity ability within a small to medium information software developer company. We found that the concept of psychological capital was related to IS project team member’s developer creativity. Indeed, in prior IS development projects, psychological capital significantly influenced IS project team members’ creativity. Also, prior IS project team members’ predicted psychological capital in the combined second order variable data set were significant. Collectively, the results revealed important practical implications that because of different leadership, team members’ creativity, personal psychological capital work emotions would be positively influenced, it showed that: First, IS project team members’ psychological capital is an aggregated second order variable of psychological construct. Second, psychological capital had significant positive influences on IS project team members’ creativity.