Ronald P. Rohner

Ronald P. Rohner is an international psychologist, and a Professor Emeritus of Human Development and Family Sciences and Anthropology at the University of Connecticut. There he is also Director of the Center for the Study of Interpersonal Acceptance-Rejection, and executive director of the International Society for Interpersonal Acceptance-Rejection. He is best known for the work on interpersonal acceptance-rejection that he initiated in 1960. His extensive and seminal research led to the development of a full-blown evidence-based theory known as the interpersonal acceptance-rejection theory (IPARTheory). IPARTheory is an evidence-based theory of socialization and lifespan development. It proposes that interpersonal acceptance and rejection consistently predict the psychological and behavioral adjustment of children and adults across all ethnicities, languages, genders, cultures, and other socio-demographic groups of the world.