Table 2 An internet-based intervention for people with psychosis (EviBaS): Schedule of enrolment, intervention and assessments

 Eligibility screen

X

 Informed consent

X

 Allocation

X

 EviBaS intervention group

X

 Waiting list control group

X

 Positive and Negative Syndrome Scale (PANSS)

X

X

X

 Mini International Neuropsychiatric Interview (MINI)

X

X

X

 Paranoia Checklist

X

X

X

 Launay–Slade Hallucination Scale (LSHS-R)

X

X

X

 Delusion and Voices Self-Assessment (DV-SA)

X

X

X

 Rosenberg Self-Esteem Scale (RSES)

X

X

X

 Insomnia Severity Index (ISI)

X

X

X

 Penn State Worry Questionnaire - Abbreviated (PSWQ-A)

X

X

X

 Patient Health Questionnaire (PHQ-9)

X

X

X

 Box Task

X

X

X

 Mindful Attention Awareness Scale (MAAS)

X

X

X

 Interpersonal Competence Questionnaire (ICQ; subscales initiation and negative assertion)

X

X

X

 Incongruence questionnaire (K-INK)

X

X

X

 World Health Organization Quality of Life Assessment (WHO-QoL-BREF)

X

X

X

 Internalized Stigma of Mental Illness – short version (ISMI)

X

X

X

 Medication Adherence Rating Scale (MARS-D)

X

X

X

 Attitudes towards Psychological Online Interventions (APOI)

X

 Credibility/Expectancy Questionnaire (CEQ)

X

 University of Rhode Island Change Assessment (URICA)

X

 Client Satisfaction Questionnaire (CSQ)

X

 Questionnaire Side Effects Psychosis and Internet (QueSPI)

X

 Working Alliance Inventory – Short Revised (WAI-SR)

X

 Intermediate Assessments Questionnaire

X