Her research focus is on educational measurement and assessment, including design and technical issues related to large-scale test development and classroom assessment practices. She serves as a research consultant on various projects, currently including the Pennsylvania Alternate System of Assessment (PASA) grant. She has taught undergraduate and graduate level courses in curriculum design, quantitative research methods, assessment, program evaluation and statistical analyses. Dr. Hansen earned an M.A. (1997) in statistics, and M.S. (1999) and Ph.D. (2004) degrees in Research Methodology from the University of Pittsburgh.