
DL: Statistical Illiteracy Among medical prof....
Quiz
•
Science
•
University
•
Practice Problem
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Easy

Nikki Valle
Used 1+ times
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22 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Probability of getting a result as extreme (far way from the mean) as you got if the null hypothesis is true.
P value
standard deviation
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Number of patients needed to treat to prevent one additional bad outcome.
ARR
RR
NNT
Answer explanation
Number needed to treat
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Events/people
ARR
RR
NNT
Answer explanation
absolute risk reduction:
41-32=9
9deaths/1000 people = 0.009 ARR
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How much risk was reduced/original risk with no intervention
ARR
RRR
NNT
Answer explanation
Risk of death was reduced by 9 (41-32=9)
9 less deaths/41 deaths w/out med = 0.22 RRR
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The inverse of ARR
RRR
NNT
Answer explanation
NNT=1/ARR or inverse of ARR
1000 people/9 deaths = 111.11 --> 112 people needed to treat
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The true positive rate
sensitivity
specificity
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The true negative rate
sensitivity
specificity
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