When You Have Multiple Observers, Why Should You Check for Interrater

Multiple Choice

When you have multiple observers, why should you check for interrater reliability?

A) Establishing interrater reliability helps ensure that your observers are accurate and that you can reproduce your procedures.
B) You can check to see that your observers meet some standard of reliability that you have established.
C) You can detect and correct any problems with additional observer training.
D) All of the answers are correct.