@article{389680, recid = {389680}, author = {McCaffrey, Daniel F. and Hamilton, Laura S.}, title = {Value-added assessment in practice: lessons from the Pennsylvania Value-Added Assessment System pilot project /}, publisher = {RAND Corporation,}, address = {Santa Monica, CA :}, pages = {xxi, 105 p. :}, year = {2007}, url = {http://library.usi.edu/record/389680}, }