摘要：Regarded as one of the constructs of greater influence on human behavior in organizations, perceived organizational support is defined as the perception by the employee that the organization values and cares for their well-being. Despite the finding of different instruments for measuring organizational support, in general Brazilian studies have used the scale of perceived organizational support - EPSO, in terms of their psychometric qualities and its small size, with only nine items that measure the construct so unidimensional. Despite the recognized usefulness of the instrument, were not found in the literature indicating its structural validity, reason that justified the main objective of the present study. Participants were 490 employees of different businesses in the city of Rio de Janeiro, aged 16-68 years (mean 39.82 years and standard deviation of 11.68 years), of which 169 were from public companies and 321 private companies, 59% were female and 54% were single. The results of the confirmatory factor analysis procedures ratified the psychometric qualities of EPSO, with indicators psychometric indicators that ensure their use in contexts of public and private organizations.
