Therefore, it is a scientific test or piece of research that actually measures what it sets out to measure, or how well it reflects the reality it claims to represent. In other words, it means the accuracy of a test. Validity is the extent to which a test measures what it claims to measure. – Comparison of Key Differences Key Terms What is the Difference Between Validity and Reliability What is the Relationship Between Validity and ReliabilityĤ.
Outside the research field, however, these two words are used interchangeably.
Usually, these two measurements are used in psychological tests and research materials. Tests or research of any kind is measured upon validity and reliability. The main difference between validity and reliability is that validity is the extent to which a test measures, and what it claims to measure whereas reliability refers to the consistency of the test results.
