The following is an example of intra observer variation: Question 17 options: Tw

Question

The following is an example of intraobserver variation:

Question 17 options:

Two different research subjects of the same gender and age might have different blood pressure measures due to other genetic and lifestyle differences.

A research subject might have lower blood pressure in the morning after sleep than after running around a track.

Two different physicians might make different diagnoses based on the same x-ray due to subjective differences.

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.

A patient might desire to seek a second opinion after initial diagnosis with a disease.

A)

Two different research subjects of the same gender and age might have different blood pressure measures due to other genetic and lifestyle differences.

B)

A research subject might have lower blood pressure in the morning after sleep than after running around a track.

C)

Two different physicians might make different diagnoses based on the same x-ray due to subjective differences.

D)

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.

E)

A patient might desire to seek a second opinion after initial diagnosis with a disease.

Explanation / Answer

INTRAOBSERVER VARIATION: Intra-observer variation is the amount of variation one observer experiences when observing the same material more than once.

for the above given examples: (D) 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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