Winkel, W.W.R. te

problem student course condition study psyweb goal-speci fied condition goal-free condition group goal-free tutorial groups tutorial issue goal-speci information phase version discussion schmidt article education erasmus university rotterdam pbl cycle problem-based environment quality problem version knowledge psychology result cycle meeting tutor university number self-study van der vleuten fi ndings e ffect service table goal-speci fied version discussion phase evaluation content figure tutorial group erasmu rotterdam amount medicine research tutorial group meeting di fferent aspects usage verkoeijen implementation literature technology problem scenario measure design requirement goal-free problems paper phenomenon norman curriculum system survey review dolman nding woman aspect goal-free problem goalspeci fied condition summer evening goal-speci fied problem universiteit maastricht