1. Drug Initiation Habits as Predicted by Sibling Closeness in Divorced and Non-divorced Families Open Access Author: Herwig, Anna Title: Drug Initiation Habits as Predicted by Sibling Closeness in Divorced and Non-divorced Families Area of Honors: Psychology Keywords: DivorceAdolescenceDrugsAlcoholSocial contagionSibling relationship File: Download Herwig_Anna_Thesis.pdf Thesis Supervisors: Jenae Marie Neiderhiser, Thesis SupervisorJeff M Love, Thesis Honors Advisor