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Authors
Tryggestad, Hege https://orcid.org/0009-0009-6540-4405
Eldevik, Sigmund https://orcid.org/0000-0001-7029-1665
Eikeseth, Svein https://orcid.org/0000-0001-6404-9071
Strømgren, Børge https://orcid.org/0000-0001-7841-5693
Kingsdorf, Sheri https://orcid.org/0000-0003-1023-126X
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Funding
Funding for this research was provided by:
OsloMet - Oslo Metropolitan University
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Article History
Received: 8 December 2024
Accepted: 21 October 2025
First Online: 19 December 2025
Declarations
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: Written informed consent was obtained from all participants, including preschool staff, EIBI supervisors, and the parents or legal guardians of the children (see the section on Recruitment and Inclusion Criteria). The participants have consented to the submission of the manuscript. The Norwegian Agency for Shared Services in Education and Research assessed the study as compliant with privacy legislation (Application ID: 458101).
: The project was reviewed by the Regional Committees for Medical and Health Research Ethics (REC) in Norway and was deemed exempt from ethical review requirements (Application ID: 294116).
: The authors declare that they have no conflict of interest.
