Psychotic experiences could be caused by trauma in childhood. The study concludes that between 25 and 60 per cent of the young people who reported psychotic experiences (five per cent of the sample) would not have developed these if they had not been exposed to trauma

See the source article by following the link below:
Psychotic experiences could be caused by trauma in childhood. The study concludes that between 25 and 60 per cent of the young people who reported psychotic experiences (five per cent of the sample) would not have developed these if they had not been exposed to trauma