A small scale randomised trial of a computer-based pre-Cognitive Behavioural Therapy 'informed choice' intervention to improve uptake and implementation of CBT for psychosis

INTERVENTION: Stratified block randomisation and varying block size, randomized by group (clinician or service user), and site (London or Sussex): Intervention: pre‐Cognitive Behaviour Therapy (CBT) digital 'informed choice' intervention, presented during a manualised one hour introductory session with one month access Control: CBT section of the NHS choices website presented in an equivalent session of up to one hour with printed summary sheet provided as a handout CONDITION: Psychosis ; Mental and Behavioural Disorders PRIMARY OUTCOME: 1. Likelihood of offering/referring or taking CBT, measured by a single Likert scale (0‐10) immediately post intervention and at one month follow‐up; 2. Feasibility of recruitment within the NHS (numbers recruited, consented) during the trial recruitment period August 2017‐ January 2018 ; 3. Feasibility of use of the package in the NHS, measured using qualitative interviews with thematic analysis of 6 service users and 6 clinicians (3 each in Sussex and London) who have used the package; and evaluation form and activity data on use of the package, during the follow‐up period September 2017 ‐ February 2018 SECONDARY OUTCOME: 1. Knowledge and attitudes towards CBTp, measured using new questionnaires developed and validated with service users and clinicians during phase 1a and b of the current study, immediately post intervention and at one month follow‐up; 2. Illness perceptions, measured using the adapted illness perceptions questionnaire,immediately post intervention and at one month follow‐up ; 3. Attitudes and Behaviours towards CBTp implementation, measured using the NOMAD tool (clinicians only), immediately post intervention and at one month follow‐up; 4. Psychological wellbeing, measured using the CHOICE short‐form measure of psychological wellbeing (service users only) immediately post intervention and at one month follow‐up; 5. Empowerment, measured using Rogers' Empowerment scale, immediately post intervention and at one month follow‐up; 6. CBT‐related activities in the preceding month, based on both interview and case notes screen, collected at baseline and at one month follow‐up INCLUSION CRITERIA: 1. Service users with a current psychotic disorder diagnosis (F20‐F29 ICD‐10 diagnoses) as evidenced by their clinical notes and/or discussion with lead psychiatric professional. 2. NHS clinicians who work with psychosis service users 3. Age 16‐65 4. Some level of ambivalence towards CBT for psychosis as identified by likelihood of referring, taking up CBTp on a Likert rating scale