A variable that we purposefully change or manipulate is called the independent variable. The thing that changes in response is called the dependent variable. This creates a cause and effect relationship.
Medicare Eligibility Requirements. To be entitled to Medicare, you must be a U.S. citizen or a permanent legal resident, and answer yes to at least one (1) of the following questions:
If you meet the requirements listed above, Medicare Part A coverage includes, but is not limited to: 1  A semi-private (shared) room. 2  Meals. 3  Skilled nursing care.  Physical, occupational, and speech 1  therapy. Medical social services.  Certain prescription 1  drugs. Medical supplies and equipment used in the facility.