Funding for this research was provided by:
Leverhulme Trust (RPG-2013-301)
Article History
First Online: 7 April 2020
Compliance with Ethical Standards
:
: The authors developed the app used in this research which is available from sofa-app.org. This is freely available and there are no financial conflicts of interest.
: The research followed the ethical principles of the British Psychological Society which are consistent with the World Medical Association Declaration of Helsinki Ethical Principles for Medical Research Involving Human Subjects, including the informed consent of all participants. For those under 16, parental consent was obtained and child assent confirmed, before and during the research.