Imagery-enhanced versus verbally-based group cognitive behavioural therapy for social anxiety disorder: a randomised controlled trial.

Curtin University

Dataset description

Imagery-based cognitive behavioural therapy (n = 53, 54.9% male) and verbally-based cognitive behavioural therapy (n = 54, 46.3% male) were administered, with 1 month (primary end-point) and 6 month follow up. Dataset includes diagnosis (social anxiety disorder), depression, generalised anxiety, social interaction anxiety scale (primary outcome), social phobia scale, and demographic information.
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Source Study

Trial acronym

Not available

Trial ID





Not Applicable


Government body,National Health and Medical Research Council of Australia (NHMRC)

Scientific enquiries

Prof Peter McEvoy

Brief Summary

Social anxiety disorder (SAD) is a common and debilitating mental illness, with sufferers frequently experiencing chronic anxiety in anticipation of, and during and following exposure to, social situations. Currently, group cognitive therapy is efficiacious for SAD, but some 80% fail to achieve normative functioning. The current project will investigate the utility of a novel treatment approach for SAD, namely imagery-enhanced cognitive behavioural group therapy (IE-CBGT). In this approach, imag ....
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Key Inclusion Criteria

At least 18 years of age, principle diagnosis of social anxiety disorder (as assessed by the SCID-5), Stable medications for at least 1 month, and willingness to be randomised.

Key Exclusion Criteria

Bipolar disorder/psychosis or substance use disorder (all as judged by the SCID-5), currently receiving CBT elsewhere, high suicidal or self-harm risk (i.e., plans and/or intent).

Can healthy volunteers participate?




Sample Size    107

Min. age    18 Years

Max. age    No limit

Sex    Both males and females

Condition category    Social anxiety disorder

Condition code    Mental Health


Intervention code Behaviour , Treatment: Other

This project aims to examine the efficacy, mechanisms of change, and cost-effectiveness of a novel group cognitive behavioural therapy, imagery-enhanced cognitive behavioural group therapy (IE-CBGT), compared to gold standard verbally-based cognitive behavioural group therapy (VB-CBGT), in patients with social anxiety disorder (SAD). Both protocols target the same maintaining factors (negative cognitions, avoidance, safety behaviours, self-focused attention, negative beliefs about how others’ pe ....
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Control group Active

The verbally-based protocol uses verbal-linguistic techniques with no reference to imagery, except within the context of challenging negative self-images via video-feedback. Patients are encouraged to challenge their beliefs regarding negative feelings associated with social situations using a range of structured cognitive behavioural exercises, which includes identifying perpetuating factors (e.g., safety behaviours), psychoeducation, thought monitoring, gathering contrary evidence, and develop ....
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Outcome: Social Interaction Anxiety Scale (SIAS) - a 20-item measure of interaction/performance anxiety with high internal and test-retest reliability,
Timepoint: Baseline, immediately prior to 4th and 8th treatment sessions, and immediately after the 12th treatment session and 1- and 6-month follow-ups.

Outcome: Diagnosis of social anxiety disorder on structured clinical interview (Structured Clinical Interview for DSM-5 [SCID-5]).
Timepoint: Baseline, 1-month follow-up, and 6-month follow-up.

Outcome: Clinician-rated anxiety severity. Clinical severity of each disorder will be rated on a 0–8 scale reflecting severity relative to other people with the disorder and life impact.
Timepoint: Baseline, 1-month follow-up, and 6-month follow-up.

Will individual participant data (IPD) for this trial be available?


What data in particular will be shared?

When will data be available?

Available to whom?

Available for what types of analyses?

Source study information is derived from the Australian New Zealand Clinical Trials Registry (ANZCTR). For more information on the ANZCTR, please see