Participants
psychosis
The inclusion criteria shared by the NEON Trial and NEON-O Trial were as follows: experience of mental health–related distress in previous 6 months, resident in England, aged ≥18 years, capable of accessing or being supported to access the internet (on a PC, a mobile device, or at a community venue), able to understand written and spoken English, and capable of providing online informed consent. In addition, the NEON Trial only included people with experience of psychosis in the last 5 years, and the NEON-O Trial only included participants with experience of any other mental health problems in the last 5 years.