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Article History

Received: 6 January 2022

Accepted: 25 January 2022

First Online: 29 March 2022

Declarations

:

: The study has been approved by the Bangor University Psychology Research Ethics and Governance Committee (2019–16592). Headteachers provided written consent for the participation of their schools in the study. Teaching staff completing self-reported outcomes provide written informed consent for their own involvement. Parents are provided with information about the trial and can opt their child out of the research study via electronic opt-out. Children provide electronic informed consent for student-level self-report outcomes at each data collection point. For the process evaluation, a sub-set of staff, children and parents will be invited to take part in interviews for which separate oral informed consent (for adults) and electronic informed assent (for children) will be obtained.

: Not applicable.

: The authors declare that as part of the initial introduction of KiVa to the UK, JH and SC were licensed as KiVa trainers and received some funding for the training activity that has helped in the initial recruitment of schools and dissemination of KiVa in the UK. However, there is now a licensed training agency, the Children’s Early Intervention Trust (registered charity number 1120056) that oversees a trainer team and neither JH or SC would be involved in training schools recruited to this trial.