A researcher created an index of substance abuse based on previous research to make sure that she captured all variables associated with the concept of substance abuse. Having multiple items allowed her to cover the entire concept. Which type of validity did she address?
A) face
B) construct
C) content
D) criterion

Question

Quizplus · Accepted Answer

Content validity refers to the extent to which a measure represents all facets of a given construct. In this case, by ensuring that all variables associated with the concept of substance abuse were included, the researcher aimed to cover the entire concept, thereby addressing content validity.

A Researcher Created an Index of Substance Abuse Based on Previous