The Effectiveness of Written Exposure Therapy for PTSD

Inclusion Criteria

• •Study 1:
• •Adult male and female aged between 18-65 years old; A diagnosis of PTSD or subthreshold PTSD (PTSD Symptom Scale, Interview Version for DSM-5, PSSI-5); If currently taking psychotropic medication, taking a stable one for at least 4 weeks; A smartphone owner and no obstacle to the Now Meditation App; Scoring 12 or more on Insomnia Severity Index (ISI; the symptoms appear after the diagnosis of full/subthreshold PTSD).
• •1. Adult male and female (aged between 18-65 years old)
• •2. A diagnosis of PTSD or subclinical PTSD (PTSD Symptom Scale, Interview Version for DSM-5, PSSI-5), meeting the following criteria: Meeting full criteria for re-experiencing and at least 2 of 3 other symptom clusters (i.e., avoidance, negative cognitions, or hyperarousal)
• •3. If currently taking psychotropic medication, taking a stable one for at least 4 weeks
• •4. Having the ability to write and comprehend the writing guidelines