Comm 341: Reliability refers to how consistent the results of a study are or the consistent results of a measuring test. This can be split into internal and external reliability. ... Validity refers to whether the study or measuring test is measuring what is claims to measure.
Reliability is about the consistency of a measure, and validity is about the accuracy of a measure.

Question

Reliability refers to how consistent the results of a study are or the consistent results of a measuring test. This can be split into internal and external reliability. ... Validity refers to whether the study or measuring test is measuring what is claims to measure.
Reliability is about the consistency of a measure, and validity is about the accuracy of a measure.

Paul Hogue · Accepted Answer

differences between and importance of reliability and validity (can know basic  definitions of validity rather than all of the specific types)

Comm 341

Differences between and importance of reliability and validity (can know basic definitions of validity rather than all of the specific types)

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