The data-ptsd-psyctr dataset 📊 The data-ptsd-psyctr dataset is a meta-analytic research domain MARD) which is part of the Metapsy project. This dataset has been developed by the National Center for PTSD (U.S. Department of Veterans Affairs). The original and further extended database can be accessed in the PTSD repository website. The dataset contains study information and effect size data of randomized trials on psychological interventions for posttraumatic stress disorder. The date of the last search update is provided here. More details about the development of this database can be read in this published paper. This dataset includes psychological interventions vs. control comparisons. Effect sizes are provided for PTSD symptoms at post-test. The dataset follows the Metapsy data standard.