Statistics clearly demonstrate that there are significantly more cases of a disease in one particular neighborhood than in all the rest of the city.
Assuming all else is the same, which of the following is the most likely explanation for a single neighborhood having such a different pattern of illness?
a. A cultural or ethnic concentration in the neighborhood
b. The geographical location of the neighborhood within the city
c. A statistical fluke without meaning
d. The time of year the different statistics were collected throughout the city
Question 2
A woman is sitting in a corner of the clinical waiting room, crying audibly. The nurse asks, What's wrong? Can I help? The woman responds, They just told me I have a positive mammogram and I need to see my doctor for follow-up tests.
I know I'm going to die of cancer. How can I tell my family? Which of the following information does the nurse need to know in order to help the woman cope with this finding?
a. The negative predictive value of mammography
b. The positive predictive value of mammography
c. The reliability of mammography
d. The validity of mammography
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