Jolynn Pek received her Ph.D. in Quantitative Psychology from the University of North Carolina at Chapel Hill at the L. L. Thurstone Psychometric Laboratory in 2012. She was recently elected as a member of the Society for Multivariate Behavioral Research in 2017 and was awarded the Early Researcher Award by the Ontario Ministry of Research and Innovation in 2016. Her research interests are motivated by quantifying uncertainty inherent in results obtained from fitting models to data, especially latent variable models. Quantifying uncertainty is fundamental to understanding the limits of statistical results and ascertaining statistical conclusion validit