The enquiry counts, after telephone consultation with the responsible person, as serious and is therefore recommended for participation, presumably within the framework of a diploma thesis. Universities are with scientific studies dependent on volunteers outside the student circle. The survey is anonymous, and for scientific surveys the guidelines of the ADM e.V. apply, according to which data may only be further processed anonymously and no conclusions about individuals are permissible. Sensitive questions, e.g. on salary, can be skipped without consequences.