Although all studies in the PTSD Repository are published in English, the research is done in many countries around the world.

Learn about these therapies that use different techniques to help people process traumatic experiences. Some involve visualizing, talking or thinking about the traumatic memory. Others focus on changing unhelpful beliefs about the trauma.

Access an article reviewing the development of the PTSD Repository as well as meta-analyses and journal articles that use PTSD Repository data.

The resources on this page support learning about PTSD and effective treatments, providing treatment, and doing research using PTSD Repository data.

The PTSD Repository will help you learn about PTSD treatment research. Our data stories below explain what we know from research using charts and tables—called visualizations.

Download this free, step-by-step guide for conducting meta-analyses focused on mental health research. Dr. Pim Cuijpers reviews each element of performing meta-analyses, including: defining research questions, searching bibliographical databases, selecting studies and retrieving data, determining risk of bias, calculating and pooling effect sizes, examining heterogeneity and potential publication bias, and writing and publishing meta-analyses.