This follow-up pilot study tested whether Transcendental Meditation® (TM) practice would significantly reduce symptoms of posttraumatic stress in Congolese refugees within 10 days after instruction. The Posttraumatic Stress Disorder Checklist-Civilian (PCL-C) was administered to nonmatched waitlist controls from a previous study 3 times over a 90-day period. Within 8 days of the third baseline measure, 11 refugees were taught TM, then retested 10 days and 30 days after instruction. Average PCL-C scores dropped 29.9 points from 77.9 to 48.0 in 10 days, then dropped another 12.7 points to 35.3 at 30 days. Effect size at 10 days was high (d = 4.05). There were no adverse events. All participants completed the study and were able to practice TM.
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