The coding supervisor at Bayside Hospital regularly has the coders recode records from the previous week in an effort to improve and monitor coding consistency. The supervisor has collected the data displayed below on four coders.

Coder | Records Under Review | Same Code on Self-Coding Review | Same Code on Peer coding Review

Coder A | 28 | 22 | 20
Coder B | 18 | 16 | 16
Coder C | 45 | 42 | 43
Coder D | 17 | 15 | 16

The data in the column on the far right were collected when the coders traded records for recording. This is a common practice used to check

A. interrater reliability
B. intrarater reliability.
C. intenater validity.
D. intrarater validity.