Christina A. Christieis a Professor and Head of the Social Research Methodology Division in the Graduate School of Education and Information Studies at University of California, Los Angeles. Christie specializes in educational and social policy and program evaluation. Her research focuses on the factors and conditions that influence evaluation practice in an effort to strengthen our understanding of evaluation as a method for facilitating social change. She has published extensively and her work appears in journals such American Journal of Evaluation, Children and Youth Services Review, Evalua...