Pada populasi umum gangguan proses pikir waham memiliki prevalensi sekitar 0,18%, sedangkan prevalensi pada rawat inap psikiatris antara 1 dan 4%. Prevalensi gangguan proses pikir waham sebenarnya cenderung lebih tinggi, dikarenakan kurangnya wawasan dalam mencegah serta mencari bantuan dalam mengenali penyakit tersebut

Ansietas merupakan perasaan takut atau ketakutan yang tidak dapat dijelaskan dan merupakan respon stimulus internal dan eksternal yang memiliki tanda dan gejala perilaku, afektif, kognitif dan fisik

Mental disorders are syndromes of a person's behavior patterns that aretypically associated with a symptom of distress or impairment in one or moreimportant human functions, namely psychological, behavioral, biologicalfunctions, and the disorder does not only lie within the human body.relationship between the person but also with society. The risk of violentbehavior is one of the angry responses expressed by making threats, injuringoneself and others and can damage the surrounding environment. The resultsof group discussions can be in the form of an agreement or alternative problemsolving. One form of medical treatment for patients at risk of violent behavior isthe Perception Stimulation Group Activity Therapy, where TAK (Group ActivityTherapy) is one of the modalities of therapy carried out by nurses to groups ofpatients with the risk of violent behavior. Activities are used as therapy, andgroups are used as targets of care. In the group there is a dynamic interactionthat is interdependent, needs each other, and becomes a laboratory wherepatients practice new adaptive behaviors to correct old maladaptive behaviors