Measuring program outcomes: using retrospective pretest methodology

American Journal of Evaluation - Tập 21 - Trang 341-349 - 2000
Clara C Pratt1, William M McGuigan1, Aphra R Katzev1
1Oregon State University, Department of Human Development and Family Sciences, Family Policy Program, 204 Bates Hall, Corvallis, OR 97331, USA; Tel.: (541) 737-49992; Fax: (541) 737-1076