Title: The Polish adaptation of the Early Childhood Behavior Questionnaire ECBQ: Psychometric properties age and gender differences and convergence between the questionnaire and the observational data
Authors: Małgorzata Stępień-Nycz, Irmina Rostek, Marta Białecka-Pikul, Arkadiusz Białek
Journal: European Journal of Developmental Psychology
Publication type: article
DOI: 10.1080/17405629.2017.1292906