Written by a pioneer in person-centered therapy, this is the only resource to provide full access to the Barrett-Lennard Relationship Inventory (BLRI) - along with information on the instrument's history and development and supporting materials for counseling practitioners, researchers, and students. * Provides a complete instrument for measuring empathy in relationships, a critical component for success across a wide range of therapeutic interventions * Charts the development and refinement of the BLRI over more than 50 years, with particular attention to the influence of Carl Rogers' theories, and outlines the future potential of the instrument * Contains all the materials necessary for critical understanding and application of the BRLI, including the full range of forms and adaptations, and guidelines for successful implementation * Also presents the author's Contextual Selves Inventory (CSI), which permits direct study of the self as distinctively experienced in different relationship contexts