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