The Experiences in Close Relationships Scale-Revised Child version: Reliability and structural validity of the Polish adaptation

The Experiences in Close Relationships Scale-Revised Child version (ECR-RC) is a self-report questionnaire measuring attachment anxiety and attachment avoidance. The aim of this study was to validate a Polish version of the ECR-RC, assess its reliability and factorial structure based on the results obtained from a community sample of 277 children aged between 10 and 13. The results of confirmatory factor analyses revealed a two-factor structure of the Polish ECR-RC that showed an adequate internal structure and consistency. Moreover, a model fit of an abbreviated, 12-item version and a three-factor structure were tested. Overall, the results of this study offer a valid and reliable tool for assessing attachment anxiety and avoidance in Polish-speaking children.