Welcome to the Worry Intervention Trial (WIT) website.

This randomised controlled trial was carried out at the University of Oxford and the University of Southampton, funded by a grant from the UK Efficacy and Mechanism Evaluation (EME) Programme. The grant-holders are Daniel Freeman, Graham Dunn, Helen Startup and David Kingdon. The trial tested the efficacy of a worry reduction intervention for patients with severe paranoia. Here, you can find further information about the trial, the research team, and associated research literature.