An index can increase both reliability and validity.

Name: An index can increase both reliability and validity.
Brand: Quizplus
Rating: 4.9 (34 reviews)

Question

Quizplus · Accepted Answer

An index, by aggregating multiple indicators into a single measure, can increase reliability by reducing the impact of random error associated with individual indicators. It can also increase validity if the indicators collectively cover the concept more comprehensively than any single indicator.

An Index Can Increase Both Reliability and Validity