Runze, J, IJzendoorn, M H V, Vrijhof, C I & Bakermans-Kranenburg, M J 2022, ' Replicating a Randomized Trial With Video-Feedback to Promote Positive Parenting in Parents of School-Aged Twins ', Journal of family psychology, vol. 36, no. 4, pp. 490-501 . https://doi.org/10.1037/fam0000961 Journal of family psychology, 36(4), 490-501. American Psychological Association