Answer:
c. Content
Step-by-step explanation:
Content validation: In research, the term content validation is referred to as the degree whereby different items on a particular test that are considered as genuinely representative related to the entire domain that the test tends to measure. It tends to measure the quality of specific items on a particular test. Generally, it is considered as an important methodology of research that seeks to measure particular behavior that it was supposed to measure.
In reference to the question, the given statement represents content validation.