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Table 1 Measurement objectives

From: Effect of virtual reality exposure therapy on social participation in people with a psychotic disorder (VRETp): study protocol for a randomized controlled trial

Outcome Measurement T0 T1 T2 T3 T6
Interview (i) Self-report (s) Baseline Session 4 Session 8 Posttreatment Follow-up
Social participation Experience Sampling Method (s) x    x x
Paranoia GPTS (s) x x x x x
Interaction anxiety SIAS (s) x x x x x
Depression BDI-II (s) x    x x
Stigma ISMI (s) x    x x
Schemas BCSS (s) x    x x
Safety behavior SBQ (i) x    x x
Cognitive biases DACOBS (s) x    x x
Social functioning SOFAS (i) x    x x
Quality of life MANSA (i) x    x x
Cost-effectiveness TIC-P (i) x    x x
Cyber sickness SSQ (s)   x x   
Presence IPQ (s)   x x   
Medication adherence BARS (i) x x x x x
  1. GPTS Green et al. Paranoid Thought Scales, SIAS Social Interaction Anxiety Scale, BDI-II Beck Depression Inventory, ISMI Internalized Stigma of Mental Illness, BCSS Brief Core Schema Scales, SBQ Safety Behavior Questionnaire – persecutory delusions, DACOBS Davos Assessment of Cognitive Biases Scale, SOFAS Social and Occupational Functioning Assessment Scale, MANSA Manchester Short Assessment of quality of life, TiC-P Trimbos/iMTA questionnaire for Costs associated with Psychiatric illness, SSQ Simulator Sickness Questionnaire, IPQ Igroup Presence Questionnaire, BARS Brief Adherence Rating Scale