A Certain HMO Is Attempting to Show the Benefits of Managed

Multiple Choice

A certain HMO is attempting to show the benefits of managed health care to an insurance company. The HMO believes that certain types of doctors are more cost-effective than others. One
Theory is that primary specialty is an important factor in measuring the cost-effectiveness of
Physicians. To investigate this, the HMO obtained independent random samples of 25 HMO
Physicians from each of four primary specialties-- General Practice (GP) , Internal Medicine (IM) ,
Pediatrics (PED) , and Family Physician (FP) -- and recorded the total per-member, per-month
Charges for each. Identify the treatments for this group.

A) the total per-member, per-month charges
B) the HMO
C) the 100 physicians
D) the four specialty groups-GP, IM, PED, and FP