Questions Uploads

community program

Question

One objective of a community program to prevent head injuries is to increase the use of helmets to at least 50% of

child and adult bicyclists. What is an appropriate impact evaluation question for this objective?

This is the entire question. This is all I have received to give you.

 
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pancreatic cancer

Question

An investigator wants to assess whether smoking is a risk factor for pancreatic cancer. Electronic medical records

at a local hospital will be used to identify fifty patients with pancreatic cancer. One hundred patients who are similar but free of pancreatic cancer will also be selected. Each participant’s medical record will be analyzed for smoking history. Identify the type of study proposed and indicate its specific strengths and weaknesses.

Type of study:

Strengths:

Weaknessess:

 
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new cosmetic surgery.

Question

The following shows the results of a screening test hypothesized to detect persons at risk for side effects of a

new cosmetic surgery.                        

Screen Positive:

Side Effects = 12   

Positive Side Effects Absent = 6     

TOTAL: 18                                              

Screen Negative:

Side Effects = 85 

Positive Side Effects Absent = 204

TOTAL: 307                                          

a. Compute the sensitivity of the test

b. Compute the specificity of the test

c. Compute the false positive fraction

d. Compute the false negative fraction

 
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The data shown below describe children in France in terms of adequate dental care

Question

The data shown below describe children in France in terms of adequate dental care.
Adequate

Dental Care = 1298

Inadequate Dental Care = 307

Total = 1605

What is the probability that a child from France has adequate dental care?

 
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