Does Verbal Crystallized Intelligence Predict Efficacy of Psychological Therapies for PTSD? Results from a Randomized Controlled Trial Comparing Dialectical Behavior Therapy for PTSD (DBT-PTSD) and Cognitive Processing Therapy (CPT)

Study limitation reported by the research below: “The CPT-specific IQ effect is a post-hoc finding; the primary group×cIQ interaction was non-significant (p=0.171), so conclusions about differential treatment suitability based on IQ are preliminary.”