Which Statement Is MOST Nearly Accurate About the Validity of Data

Multiple Choice

Which statement is MOST nearly accurate about the validity of data sources, instruments to collect data, and the data itself?

A) Criterion-related validity is a concern only when testing employees for employment.
B) Data gathered from a national sample possess a greater degree of validity than data collected from a local sample.
C) Valid instruments are able to detect true differences among the people or objects being measured.
D) Validity is a concept that applies to data only, not to sources or instruments.