amp; Turman, 2007) first for measuring teacher`s power, later for measuring student teacher`s power. The convenient sample for the first adaptation consisted of 2188 students from 117 lower secondary classes, for the second of 130 classes taught by student teachers on a long term practice. The data about Czech teachers` classes basically supported the theory with the difference that “negative” power bases (legitimate and coercive) were perceived as one factor and were strongly correlated. The data about student teachers will be presented at the conference and compared with the results of Czech teachers and international findings.