HLTH 4200 Week 6 Quiz | Assignment Help
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Question 1
Suppose that you are in charge of evaluating a newly developed
screening test compared to a gold standard. You test 1,000 individuals. Of
the 300 who test positive with the gold standard, 285 of them also test
positive with the new screening test. Of the 700 who test negative with the
gold standard, 7 of them test positive with the new screening test. |
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Question 2
Suppose that you are in charge of evaluating a newly developed
screening test compared to a gold standard. You test 1,000 individuals. Of
the 300 who test positive with the gold standard, 285 of them also test
positive with the new screening test. Of the 700 who test negative with the
gold standard, 7 of them test positive with the new screening test. |
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Question 3
Which
of the following is an example of tertiary prevention? |
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Question 4
A screening examination was performed on 250 persons for Factor
X, which is found in disease Y. A definitive diagnosis for disease Y among
the 250 persons had been obtained previously. The results are charted below:
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Question 5
A screening examination was performed on 250 persons for Factor
X, which is found in disease Y. A definitive diagnosis for disease Y among
the 250 persons had been obtained previously.
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Question 6
A screening examination was performed on 250 persons for Factor
X, which is found in disease Y. A definitive diagnosis for disease Y among
the 250 persons had been obtained previously.
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Question 7
A screening examination was performed on 250 persons for Factor
X, which is found in disease Y. A definitive diagnosis for disease Y among
the 250 persons had been obtained previously.
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Question 8
If the survival of cases detected through a screening program is
longer simply because the disease was detected earlier in its natural
history, ________ bias would have occurred. |
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Question 9
If the individuals who participate in a screening program have a
different probability of disease from those who do not participate (for
example, they may be healthier or sicker; older or younger; employed or not
employed), ________ bias would have occurred |
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