Wei He, PhD

Principal Research Scientist

Wei He develops innovative solutions to enhance existing products, such as MAP Growth. Her research is focused on psychometrics, adaptive testing, educational accountability issues, and applied statistics. Her work has been published in peer-reviewed journals such as the Journal of Educational Measurement, Educational and Psychological Measurement, and the International Journal of Testing. She is also a frequent presenter at national and international conferences, including NCME, AERA, and IACAT. Dr. He’s publications and presentations cover diverse topics like CAT item selection and item pool design, item field testing and calibration, test equating, missing data treatment, and item equivalence in international assessments. She holds a PhD in measurement and quantitative methods from Michigan State University.