What information is collected and how much of it is made public?
The course opinion poll questionnaire lists the following items:
Interesting x uninteresting     completely uninteresting .................. very interesting
Beneficial or not               not beneficial at all ..................... very beneficial
Difficulty			very easy ................................. very difficult
Demands on preparation   	very easy .............................. .. very difficult
Study material accessibility    unavailable ............................... readily available
Way of teaching 		not at all ................................ very much
Teacher as a specialist         I do not consider him/her a specialist .... I consider him/her a specialist
Students provide their feedback by selecting one of the eleven values making up the evaluation scale. After the poll closes, the following information is made public:

average values calculated for the course and teacher
The average values are calculated from all the values selected for the course and its teacher.
standard deviation
The standard deviation indicates the dispersion of selected values around the mean. The narrower it is, the more consistent in the selection the respondents are.
faculty mean
The faculty mean is calculated from all the values selected for a certain item in all the courses (offered by the faculty in the same term) and their teachers.