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* Tough Behavioral Question!
 #855355  
  docdocsun - 11/06/18 22:49
 
  A researcher has designed a new test to screen for hereditary spherocytosis. In a population of 250 individuals, 10 individuals will receive a false-positive test result and 0 individuals will receive a false-negative test result. The new test is to be used in a population in which the frequency of the disease-causing allele is 0.2.

What is the positive predictive value of the diagnostic test in this setting?

a 60
b.70
c.80
d. 90
e. 95
 
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* Re:Tough Behavioral Question!
#3374614
  cardio69 - 11/07/18 20:06
 
  http://www.usmleforum.com/files/forum/2018/1/850838.php  
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