What evidence might a clinician be able to gather to support one of these assertions?

What evidence might a clinician be able to gather to support one of these assertions?.

What evidence might a clinician be able to gather to support one of these assertions?Some people have argued that dissociative disorders (such as dissociative identity disorder) are not real, and that individuals displaying these symptoms are “faking it.” Please provide scholarly references

What evidence might a clinician be able to gather to support one of these assertions?