Group therapy in essence is only a method of delivery, because in generally, almost any psychotherapeutic procedure can also be carried out in a group.
This applies to the common procedures such as behavioral therapy, deep psychological therapy and psychoanalysis, as well as to many humanistic procedures. Gestalt therapy, art therapy, and especially psychodrama emerged from a group therapeutic setting right from the start.
Group therapy has many advantages, apart from the fact that more people can be treated for less cost.
People are social beings and we all live in a web of attachments. Anxiety and depression and many other disorders often go hand in hand with a disorder in the social network that keeps the patient present in life. There can be many reasons for this.
The participation in a group helps is naturally extremely helpful in facilitating social contact, which may be lacking in ones life, and additionally provides a place to practive overcoming self insecurity and contact fears.
There are many, many therapeutically valuable experiences that can be conveyed very well in a group. Decisive impulses, helpful feedback, human warmth, all this then also comes from the other members of the group and can therefore be accepted much better than when shown only by the therapist, who is always held back by his special role when it comes to closeness and private contact.