Efficacy of an Acceptance-based Group Behavioral Therapy for Generalized Anxiety Disorder.

The protocol is widely based on Roemer and Orsillo (2007) acceptance model of GAD, using functional assessment, psychoeducation, mindfulness, commitment to valued behavior, and exposure techniques used in a willingness improvement verbal context.

NDST consists in a form of therapeutic intervention from which all intervention principles pertaining to specific psychotherapeutic protocols are removed while maintaining the so-called common factors from different psychotherapy approaches. In other words, it is an unstructured therapy without specific psychological techniques other than those belonging to the basic interpersonal skills of the therapist, such as reflection, empathic listening, encouragement, and helping people to explore and express their experiences and emotions.