Hurk, M.M. van den

problem student condition goal-speci fied condition goal-free condition group goal-free tutorial groups study tutorial goal-speci phase issue version discussion erasmus university rotterdam pbl cycle quality schmidt problem version knowledge course cycle tutor article self-study van der vleuten fi ndings e ffect goal-speci fied version discussion phase information tutorial group problem-based number psychology education meeting medicine research tutorial group meeting di fferent aspects verkoeijen problem scenario measure goal-free problems phenomenon norman rotterdam nding dolman university woman aspect goalspeci fied condition summer evening block book science fi rst session explanation goal-speci fied problem erasmu table goal-free problem evaluation fi rst paragraph fi rst year study time signi scenario literature moust error 0.05 eyewitness result activity student-defined session fferent