As an example, in an earlier study we examined a twosemester course, where in a particular year the first semester
was taught without and the second semester with online
homework.12 Grades improved, but surprisingly, it turned out
that this was mostly due to better performance of female
students. In the first semester, the average grade of male
students was 2.80.8 versus 2.51.1 for female students,
i.e., more than a quarter grade difference. In the second semester, it was 2.81.1 for the male and 2.81.0 for the GERD KORTEMEYER