Supplemental Material for

Attachment-Based Intervention for Enhancing Sensitive Discipline in Mothers of 1- to 3-Year-Old Children at Risk for Externalizing Behavior Problems: A Randomized Controlled Trial

Jantien Van Zeijl, Judi Mesman, Marinus H. Van IJzendoorn, Marian J. Bakermans-Kranenburg, Femmie Juffer, Mirjam N. Stolk, Hans M. Koot, and Lenneke R. A. Alink

Journal of Consulting and Clinical Psychology, Vol. 74, No. 6, pp. 994–1005.

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