What the IOP format establishes
Start with programs iop for the service overview, then compare the broader range of outpatient treatment programs. The attendance question here concerns MVBH’s structured Half Day Treatment format.
MVBH identifies Half Day Treatment as an Intensive Outpatient Program. It is structured outpatient care for adults who live at home while participating in treatment. That description distinguishes the program from a setting where participants stay onsite.
For attendance planning, the important verified point is the combination of structure and living at home. Participation must be considered alongside responsibilities outside program hours. The source does not give exact meeting days, daily start times, daily end times, or rules for missed sessions. Those details should not be inferred from “Half Day Treatment” or “IOP.”