David G. Cooper Ivon Arroyo Beverly Park Woolf Kasia Muldner Winslow Burleson Robert Christopherson Sensors Model Student Self Concept in the Classroom. 30-41 2009 UMAP http://dx.doi.org/10.1007/978-3-642-02247-0_6 conf/um/2009 db/conf/um/umap2009.html#CooperAWMBC09