Validity refers to how well a test actually measures what it was created to measure. Reliability measures the precision of a test, while validity looks at accuracy.

Those of us in the business of psychological measurement use the terms reliability and validity a lot. You've probably seen those terms on the Psychology Today website (they appear thousands of ...

In this paper, researchers present the results of rigorous validity and reliability testing for the CoC measure required for NQF endorsement.

Preliminary assessments of reliability and validity are promising. The HSCS-PS can discriminate across populations by birthweight and shows strong relationships with standardized psychometric measures ...

Verantos-led Study in JAMA Network Open Demonstrates a Defined Approach to Measure and Optimize Data Reliability Early results of the TRUST Study, a 4-year FDA-funded demonstration project in data ...

This study describes the results of a four-year research effort to develop inpatient and outpatient questionnaires that have sufficient validity and reliability to be used to measure patient ...

Concurrent and Predictive Validity A strong correlation between a job candidate's pre-employment assessment scores and future performance within the corporation indicates concurrent validity. It is a ...

Introduction Valid length measurements of the different segments of the Achilles tendon are needed in order to investigate if differential elongation of the Achilles tendon takes place after rupture.

Many "quizzes" on the Web have no demonstrated reliability or validity. What you need to know as an informed consumer about the reliability and validity of psychological tests.