Anna vs. Judith: A randomized comparison of AI-delivered psychodynamic and cognitive behavioral therapies for social anxiety disorder.

Internet Interv · 2026 · PMC13292244 · PMID 42358455

Europe PMC DOI

hedged sentences

0.3500

closest p · 7.0× alpha

0.3500

boldest claim

The sentences

did not reach statistical significancep = .350not close (p > 0.1)

For depressive symptoms (PHQ-9), AI-CBT demonstrated a significant within-group reduction from baseline to post-treatment ( d = 0.32; p = .039), while the reduction in AI-PDT did not reach statistical significance ( d = 0.18; p = .350).

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showed a trendno p-value reported

Therapeutic alliance measured at week 4 showed a trend toward predicting better outcomes with a moderate effect size ( d = 0.60), but this did not reach statistical significance ( p = .09).

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