1. Prosocial Behavior in Early Childhood: The Contributions of Parental Emotional Expressiveness and Children's Physiological Regulation Open Access Author: Mac Neill, Leigha Alexandra Title: Prosocial Behavior in Early Childhood: The Contributions of Parental Emotional Expressiveness and Children's Physiological Regulation Graduate Program: Psychology Keywords: prosocial behaviorphysiological regulationfamily systemsemotion socialization File: Download MacNeill_Masters_Thesis_Final_formatted.pdf Committee Members: Alysia Yvonne Blandon, Thesis Advisor/Co-Advisor