An Index of Utility Can Be Distinguished from Both an Index

Multiple Choice

An index of utility can be distinguished from both an index of reliability and an index of validity in that an index of utility can tell us something about

A) how consistently a test measures what it measures in a particular context.
B) whether a test measures what it purports to measure in a particular context.
C) the practical value of the information derived from what a test measures.
D) None of these