Rating errors refers to whereas bias refers to

A

mistakes resulting from the design of the system or it's implementation; intentional lowering of ratings by those providing feedback

B

mistakes resulting from the design of the system or it's implementation; intended or unintended skewing of ratings by those providing feedback

C

mistakes resulting from the design of the system or it's implementation; intentional elevation of ratings by those providing feedback $($e$.$g$.$ because the person is friend$)$

D mistakes made by supervisors; mistakes made by co$-$workers