In Looking at a Scatterplot of Interrater Reliability, Why Would

Multiple Choice

In looking at a scatterplot of interrater reliability, why would a researcher want to see all the dots close to the line of agreement?

A) Because it indicates a positive relationship
B) Because it indicates that the researcher's two research assistants/raters are making similar measurements
C) Because it indicates that the researcher's measurement is valid
D) Because it indicates that the researcher's measurement will also have high test-retest reliability