Generalized Anxiety Disorder: Psychotherapy vs. Control

General Description

The gad-psyctr dataset is a meta-analytic research domain MARD) on psychotherapy for generalized anxiety disorder (GAD). This MARD is part of the Metapsy project. The dataset contains study information and effect size data of trials that report the effect of psychotherapy on GAD symptoms. This dataset includes psychotherapy vs. control (‘psy vs ctr’) comparisons. Effect sizes are provided for outcomes at post-test. The results of a network meta-analysis using this database can be read in this published article.

The dataset follows the Metapsy data standard. All included information has been independently extracted two researchers. Risk of bias ratings were conducted using the Cochrane Collaboration Risk of Bias Tool (Version 2).

Affiliated Institutions

Harvard Medical School, University of Verona

Online Meta-Analysis Tool

A simplified version of this database can be analyzed at


  • metapsyData Shorthand:
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  • License: ODC-By v1.0
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Variable Description

Study References

Database Flowchart

Studies in the gad-psyctr dataset were extracted from the larger “psychological interventions for GAD” database. The study flow of this database can be found below.

Further Information

  • Published meta-analysis using the database.


. Database of GAD trials comparing psychological interventions with control conditions. Part of the Metapsy project (Version ). URL DOI .