Understanding reliability vs validity. Reliability and validity are closely related, but they mean different things. A measurement can be reliable without being valid. However, if a measurement is valid, it is usually also reliable.

Are reliability and validity dependent on each other?

Reliability and validity are independent of each other. A measurement maybe valid but not reliable, or reliable but not valid.

What is the relationship between reliability and validity quizlet?

What is the difference between reliability & validity? Reliability: The test measures one and only one thing (precisely). Validity: The test measures what it is supposed to measure.