Robert Crosby is Professor of Psychology at California Baptist University. A former youth pastor with over twenty years of experience in children’s and youth ministry, he holds a PhD in educational...mehr sehenRobert Crosby is Professor of Psychology at California Baptist University. A former youth pastor with over twenty years of experience in children’s and youth ministry, he holds a PhD in educational psychology and is one of the world’s leading scholars in the field of children’s ministry research.weniger sehen