Matthew Riggan, Ph.D., is a Senior Researcher at the Consortium for Policy Research in Education at the University of Pennsylvania, and an Adjunct Assistant Professor in Penn s Graduate School of Education. His current research focuses on formative assessment in elementary mathematics; assessing analytic and problem-solving skills for postsecondary readiness; systemic reform to support science, technology, engineering and mathematics (STEM) education; and factors supporting or undermining the scale-up of promising reforms in urban school districts. He teaches courses in qualitative research de...