After treatment,Alexei still has generalized fear of leaving the house.The counselor has developed a plan with the parents that will ask Alexei to take small steps toward the experience of leaving the house.This intervention is referred to as ________________________.

A) relaxation techniques
B) enhancing future safety and development
C) parent-child joint session
D) in-vivo mastery

The intervention referred to in this scenario, where the counselor plans small steps for the child to take towards leaving the house, is known as in-vivo mastery. This technique involves gradually exposing the child to feared situations in a structured, supportive environment, helping them to build confidence and overcome their anxiety. Relaxation techniques, enhancing future safety and development, and parent-child joint sessions may all be helpful in supporting the child's progress, but they are not specific interventions for helping with fear of leaving the house.