%0 Journal Article %T Expertise amiss: interactivity fosters learning but expert tutors are less interactive than novice tutors %A Herppich, Stephanie %A Wittwer, Jörg %A Nückles, Matthias %A Renkl, Alexander %J Instructional Science %V 44 %N 3 %P 205-219 %@ 0020-4277 %D 2015-10-26 %I Springer Netherlands %~ DeepDyve