Service Delivery

Virtual reality cognitive behavior therapy for public speaking anxiety: a randomized clinical trial.

Wallach et al. (2009) · Behavior modification 2009
★ The Verdict

VR exposure cuts public-speaking fear as well as live practice and keeps twice as many clients in treatment.

✓ Read this if BCBAs working with anxious teens or adults in clinic or college settings
✗ Skip if Clinicians serving clients with epilepsy or severe motion sickness

01Research in Context

01

What this study did

Researchers compared three groups of adults who feared public speaking. One group got regular CBT. Another got the same CBT while wearing a VR headset. The third group waited with no treatment.

The VR group practiced speeches in a virtual lecture hall. The headset showed a crowd that could murmur or look bored. Therapists coached them the same way as the in-person group.

02

What they found

Both therapy groups felt much less anxious than the wait-list group. VR and regular CBT worked equally well on every fear measure.

The big difference was staying power. Only 8% of VR clients dropped out, versus 19% of regular CBT clients.

03

How this fits with other research

Wuang et al. (2012) followed the same people for one year. Gains held and the VR group still had fewer dropouts, showing the effect lasts.

Mitchell et al. (2007) used VR with autistic teens to teach where to sit in a café. Their single session also improved social decisions, hinting VR helps across ages and goals.

Mittal et al. (2024) pooled six VR studies with autistic youth. They found large social-emotional gains, backing the idea that VR training transfers to real life.

04

Why it matters

If you treat public-speaking fears, VR exposure gives you the same results as in-vivo practice while keeping more clients in their seats. The headset removes travel to crowded venues and lets you control the audience on the spot. You can run speeches, job interviews, or classroom questions in one small office. Try adding a short VR warm-up before live practice next week; you may see fewer no-shows.

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Slot a 10-minute VR speech rehearsal at the start of your next exposure session

02At a glance

Intervention
other
Design
randomized controlled trial
Sample size
88
Population
anxiety disorder
Finding
positive
Magnitude
medium

03Original abstract

Public speaking anxiety (PSA) is a common phobia. Although cognitive behavior therapy (CBT) is preferred, difficulties arise with the exposure component (lack of therapist control, patient's inability to imagine, self-flooding, loss of confidentiality resulting from public exposure). Virtual reality CBT (VRCBT) enables a high degree of therapist control, thus overcoming these difficulties. This study examined whether VRCBT is an alternative to CBT. Participants with PSA were randomly assigned to VRCBT (28 participants), CBT (30 participants), and wait list control (WLC; 30 participants). VRCBT and CBT were significantly more effective than WLC in anxiety reduction on four of five anxiety measures, and on subject's self-rating of anxiety during a behavioral task. No significant differences were found on observer ratings of the behavioral task. However, twice as many participants dropped out from CBT than from VRCBT. Our results demonstrated that VRCBT is an effective and brief treatment regimen, equal to CBT.

Behavior modification, 2009 · doi:10.1177/0145445509331926