Baffsky, Rachel
Wong, Quincy J.J.
Cullen, Patricia
Werner-Seidler, Aliza
Calear, Alison L.
Batterham, Philip J.
Toumbourou, John W.
McGillivray, Lauren
O’Dea, Bridianne
Ivers, Rebecca
Torok, Michelle https://orcid.org/0000-0003-3741-8075
Funding for this research was provided by:
National Health and Medical Research Council (2007731)
NSW Department of Education and Training
University of New South Wales
Article History
Received: 10 March 2025
Accepted: 9 December 2025
First Online: 6 February 2026
Declarations
:
: The protocol was retrospectively registered with the Australian New Zealand Clinical Trials Registry, ACTRN12621001125819.
: Prospective ethics approval was obtained from the Human Research Ethics Committees of the University of New South Wales (HC200759) and the State Education Research Applications Process (SERAP 2020364). We certify that the study was performed in accordance with the ethical standards outlined in the 1964 Declaration of Helsinki and its later amendments.
: Opt-in informed consent was obtained from all participants included in the study.
: The authors have no relevant financial or non-financial interests to disclose. The PAXIS Institute, owners of the PAX Good Behavior Game, provided the NSW Department of Education with support to establish the PAX program but were not involved in the design, conduct, or interpretation of this trial, and did not provide any funding or support to the trial.