Table 2.
Overview of data collection
| T1 | T2 | T3 | T4 | T5 | |
|---|---|---|---|---|---|
| Objective 1: Efficacy | |||||
| Primary outcomes | |||||
| Social Phobia Anxiety Inventory – brief (SPAI-18) | x | x | x | x | x |
| Liebowitz Social Anxiety Scale – Children & Adolescents (LSAS-CA) – Avoidance subscale | x | x | x | x | x |
| BAT – Peak anxiety (SUDs) | x | - | x | - | - |
| Secondary outcomes | |||||
| Liebowitz Social Anxiety Scale – Children & Adolescents (LSAS-CA) – Fear subscale | x | x | x | x | x |
| Social Phobia Weekly Summary Scale (SPWSS) | x |
x (weekly sessions) |
x | x | x |
| Brief resilience scale (BRS) | x | - | x | x | x |
| Multidimensional Adolescent Functioning Scale (MAFS) | x | - | x | x | x |
| Revised children’s anxiety and depression scale (RCADS) | x | - | x | x | x |
| Self-efficacy questionnaire for children (SEQ-C) – social subscale | x | x | x | x | x |
| Adolescent social cognitions questionnaire (ASCQ) | x | - | x | x | x |
| Exploratory outcomes | |||||
| BAT – Anticipatory anxiety (SUDs), heart rate mean & variability, and skin conductance | x | - | x | - | - |
| Objective 2: Mechanisms | (weekly sessions) | ||||
| Threat expectancy likelihood, threat occurrence, surprise, relief, pleasantness of relief, adjusted threat expectancy likelihood (VASs; to measure expectancy violation and change) | x | ||||
| SUDs to measure within and between session habituation | x | ||||
| Self-efficacy (VAS) | x | ||||
| Objective 3: Predictors | |||||
| Behavioral inhibition system / behavioral activation system (BIS/BAS) | x | ||||
| Experiences in Close Relationship Scale – Relationship Structures (ECR-RS) | x | ||||
| Immersive Tendency Questionnaire (ITQ) – subscale Involvement | x | ||||
|
Unified Theory of Acceptance and Use of Technology (UTAUT) - Subscales: Attitude & expectancies towards VR |
x | ||||
| Preference to treatment (TP) – binary | x | ||||
| Experience with VR & games, motivation, need for relatedness/connection, openness to experience (VASs) | x | ||||
| Working Alliance Inventory–Short Form (WAI-S) |
x (Session 2 & 6) |
||||
| Credibility and Expectancy Questionnaire (CEQ) |
x (Session 1) |
||||
| Objective 4: Acceptability | |||||
| Client Satisfaction Questionnaire (CSQ-8) | x | ||||
| Difficulty, usefulness/relevance, safety behaviors related to exposure, and motivation to participate in the next session (VASs) |
x (weekly sessions) |
||||
| Semi-structured interview | x | ||||