ABSTRAK
The paper presents two kinds of cooperating teams traditional and virtual, and proposes a new measure of the team virtuality level. Some representative teamwork characteristics, such as team member competencies, team diversity, leadership, and team decision making are analyzed and compared depending on the degree of virtuality. Moreover, the team climate as one of the team performance measures is also analyzed and compared in virtual and traditional teamwork conditions. The considerations show that the virtuality level is crucial for virtual and face-to-face team comparison, virtual and hybrid team analysis and answering the question how to improve online collaboration processes and performance.