Are a child’s behavior problems negatively impacting your family? Jeffrey B. Wolfe, PHD in Wexford, PA is here to help. Parent-child interaction therapy has been shown to reduce behavior problems in young children and help parents develop more effective parenting techniques. At Jeffrey B. Wolfe, PHD, we provide parent-child interaction therapy services for families struggling with child behavior problems. This innovative approach, which involves both you and your child, is designed to help you refine your communication and interactions with your son or daughter.