She earned her doctorate from Harvard Graduate School of Education in the area of Language and Literacy. Her research interests encompass four areas: measurement of reading processes, reading comprehension and meta-representational skill and development, heterogeneity of reading difficulties among grade 4-12 struggling readers, and the measurement and effects of literacy professional development. She has expertise in a wide range of methodological areas, including research design, hierarchical linear modeling, longitudinal growth modeling, Rasch and IRT models, and value-added modeling. « Back