Questionnaires have limitations (Ekvall 1992, Arvonen
2002). An advantage of the one used in the present
study is that both construct and predictive validity of
the instrument are demonstrated (Arvonen 2002).
Behaviour description questionnaires devised to study
leadership have been questioned by several researchers
since this tradition began. The main claim has been
that they measure the attitudes of subordinates
towards the leader and not real behaviour. The re