An experiment was conducted to check the relationship between the results of the project team work and the selection of team members that takes into account personality types of students. In the first kind of project team there were participants without special advance preparation. The second and third kinds of project teams were going through special trainings in creativity enhancement method. In addition, a third kind of project teams composed of the participants according to their personality types. The experiment showed that the third kind of project teams coped with tasks much better than other groups.