Not seeing a study you expected to find in the table? Learn more about exactly what types of studies are included in About the PTSD Repository: For Researchers.

To learn more about PTSD outcomes in the studies from the table above, you can find standardized effect sizes in datasets on the PTSD Repository. Within group effect sizes are an analog of Cohen’s d estimate of pre-post change for a specific treatment. Between group effect sizes are Hedge’s g estimates of the difference in change between the active treatment and the comparison condition.

Within Group Data: Continuous and Dichotomous Outcomes
Between Group Data: Continuous and Dichotomous Outcomes

To learn more about the data in the PTSD Repository, read our How are the data organized? story.

You can also learn more about PTSD treatment outcomes from select studies included in the PTSD Repository using Metapsy. This site allows you to see summarized effect sizes (meta-analyses) for the following treatments: