The VA site suggests the scale can be completed in 5-10 minutes.
The scores range from 0 to 80.
The items are organized according to DSM-5 clusters.
Scale availability link
Weathers, F.W., Litz, B.T., Keane, T.M., Palmieri, P.A., Marx, B.P., & Schnurr, P.P. (2013). The PTSD Checklist for DSM-5 (PCL-5). Scale available from the National Center for PTSD at www.ptsd.va.gov.
Web link detail: https://www.ptsd.va.gov/professional/assessment/adult-sr/ptsd-checklist.asp
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References (PCL-5)Read more about statistics and surveys in
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Publications (many free downloads)