Which behavior therapy technique is commonly used to treat anxieties or fears?

Gestalt therapy

Explanation: They are a core component of gestalt therapy and allow the person in therapy to understand different aspects of a conflict, experience, or mental health issue. The empty chair technique is a quintessential gestalt therapy exercise that places the person in therapy across from an empty chair.

answer; researchers typically cannot control people's sexual behaviors as would be necessary in an experiment;

well this isn't a question but if you are asking if it is true or false it is, true.