Abstract. The article presents adaptation and verification made for the psychometric characteristics of the Wiesbaden Inventory for Positive Psychotherapy and Family Therapy. The psychometric characteristics and other approbation results for the offered Ukrainian-language version of the examined Inventory are shown. The data on the Inventory diagnostic are described and its prognostic capabilities to determine factors of an individual’s self-determination, psychological well-being and psychological hardiness are assessed.

Keywords: approbation of the inventory, positive mental health, Positive Psychotherapy, actual capacities, psychological well-being.