%0 Journal Article %T The role of goal orientations and goal structures in explaining classroom social and affective characteristics %A Polychroni, Fotini %A Hatzichristou, Chryse %A Sideridis, Georgios %A , %J Learning and Individual Differences %V 22 %N 2 %P 207-217 %@ 1041-6080 %D 2012-04-01 %I Elsevier BV %~ DeepDyve