Please assess the completion status of the following clinical trial:

Trial Title: Psychological Treatment in Psychiatric Inpatient Care

Study Design Characteristics:
- Allocation: None
- Intervention Model: SINGLE_GROUP
- Observational Model: None
- Primary Purpose: TREATMENT
- Time Perspective: None
- Masking: NONE
- Phase: None
- Number of Arms: 1.0

Eligibility Criteria:
Inclusion Criteria:~* 18 years old or older.~* Treated according to the compulsory psychiatric care act.~* Meet the criterion of informed consent.~Exclusion Criteria:~* Lack the cognitive ability to acquire the treatment intervention, such as impaired attention, memory, logic and reasoning, and also auditory and visual processing. This will be based on a clinical assessment by the ward team, including the attending psychiatrist and a clinical psychologist.~* Ongoing psychological treatment parallel to the admission.

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: t

Study Arms:
- Acceptance & Commitment Therapy (ACT) (Type: EXPERIMENTAL): Psyhotherapy based on principles of functional analysis, behavioral activation, and experiential avoidance.

Based on this trial design, predict the completion outcome and termination type (if applicable).