Na Hu holds a Ph.D. from the School of Psychology and Cognitive Science, East China Normal University, and currently is a Lecturer in the School of Education at Shanghai Normal University. She is also a member of the International Society for the Study of Behavioural Development and the Chinese Psychological Society. Her research is on interpersonal emotion regulation, focusing on how people regulate their and others’ emotions through social interaction. Furthermore, her research also explores the benefits and costs of solitude among children and adolescents in Mainland China and predictors of all by cross-sectional and longitudinal design. She uses the GMM (growth mixture model), LGM (latent growth model), and MCGM (multiple cohort growth model) to analyze data.