The following is an example of intrasubject variation: Question 26 options: A re
ID: 124621 • Letter: T
Question
The following is an example of intrasubject variation:
Question 26 options:
A research subject might have lower blood pressure in the morning after sleep than after running around a track.
A patient might desire to seek a second opinion after initial diagnosis with a disease.
One physician might read the same x-ray film and make a different diagnosis in the morning after a good night sleep versus after 24 hours on-call in the ER.
Two different research subjects of the same gender and age might have different blood pressure measures due to other genetic and lifestyle differences.
Two different physicians might make different diagnoses based on the same x-ray due to subjective differences.
A)A research subject might have lower blood pressure in the morning after sleep than after running around a track.
B)A patient might desire to seek a second opinion after initial diagnosis with a disease.
C)One physician might read the same x-ray film and make a different diagnosis in the morning after a good night sleep versus after 24 hours on-call in the ER.
D)Two different research subjects of the same gender and age might have different blood pressure measures due to other genetic and lifestyle differences.
E)Two different physicians might make different diagnoses based on the same x-ray due to subjective differences.
Explanation / Answer
Intra-observer variation is the amount of variation one observer experiences when observing the same material more than once
example: option (C) One physician might read the same x-ray film and make a different diagnosis in the morning after a good night sleep versus after 24 hours on-call in the ER.
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