Author of Interpersonal Relations in Nursing: A Conceptual Frame of Reference for Psychodyamic Nursing.Theory is called the interpersonal theory. Theory is based on models of verbal interaction seen in psychiatry and psychology.Peplau's nurse-patient relationship is based o the ability of the nurse to use hi or her senses to interpret data. Her model of psychodynamic nursing consists of four phases: (1) orientation, (2) identification, (3) exploitation, and (4) resolution. Six different nursing roles emerge in these phases: stranger,resource person, teacher, leader, surrogate, and counselor. Based on her model, patients are helped to recognize and change patterns that obsrtuct goal achievement.