Published on in Vol 6, No 9 (2022): September
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/36432, first published
.
1 Manchester Institute of Education, University of Manchester, Manchester, United Kingdom
2 Kooth Plc, London, United Kingdom
3 Department of Psychology, University of Exeter, Exeter, United Kingdom