A Certain HMO Is Attempting to Show the Benefits of Managed

question 20

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 20 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. In order to compare the mean charges for the four specialty groups, the data were be subjected to a one-way analysis of variance. The results of the Tukey analysis are summarized below. $$\begin{array} { c c } \text { Group } & \text { Sample Mean } \\\hline \text { IM } & 55.9 \\\text { GP } & 41.4 \\\text { FP } & 39.00 \\\text { PED } & 24.60\end{array}$$ Which primary specialties have significantly lower mean charges than Internal Medicine (IM) ?

• A) PED
• B) PED and FP
• C) PED, FP, and GP
• D) none

Explain the stereochemistry and regiochemistry principles in organic reactions.

Describe the factors affecting the rate and selectivity of pericyclic reactions.

Distinguish between allowed and forbidden pericyclic reactions based on molecular orbital theory.

Utilize molecular orbital diagrams to justify reaction mechanisms and predict products.