The study was a randomized controlled trial and was conducted in December 2006 during a meeting on mental health care within a series of four postgraduate meetings for OPs. OPs were randomly assigned to four different groups in order of arrival at the meeting, by means of a four-block randomization system. The OPs were unaware that two teaching approaches were compared during the meeting. Two groups received lecturebased teaching while the other two groups received
individual e-learning in a classroom, both with the same