Lillian Tyack
Research Associate, Measurement and Data Analysis

Lillian is in the R software working group and aids the data scaling transition from ParScale to mirt. She assists in data preparation, code development and optimization, and project management administration. Lillian is also spearheading a machine learning project that trains neural networks to classify TIMSS 2019 PSI items.

Lillian joined the TIMSS & PIRLS International Study Center in 2019. She holds an undergraduate degree in Psychology and Cinema Studies from Oberlin College and is currently enrolled in the Applied Statistics and Psychometrics M.S. program at Boston College.