Battles of the Soul: Validation of the Scale of Religious and Spiritual Struggles (RSS) for the Portuguese Population.

This study aims to adapt and validate the Religious and Spiritual Struggles Scale for the Portuguese population. The sample consisted of 732 participants with various religious affiliations. The exploratory factor analysis showed that it consists of six dimensions, similar to the initial instrument. A KMO of 0.91 was obtained. The confirmatory factor analysis confirmed the existence of six factors and showed adequate fit indices. Internal consistency and construct reliability were above 0.70. The analysis of the psychometric qualities of this instrument indicates that it can be applied to the Portuguese population and is a valuable instrument for psychotherapeutic practice and studies in the psychology of religion and spirituality.