Validation and Polish Adaptation of the Authorized Bratman Orthorexia Self-Test (ABOST): Comparison of Dichotomous and Continuous Likert-Type Response Scales.

The ABOST using the Likert scale provides a reliable and valid instrument to assess ON risk, as indicated by the face, structural, and convergent validity results. However, more research in various countries is needed, in order to verify the results of this study.