A number of mental-test theorists have called attention to the fact that increasing test reliability beyond an optimal point can actually lead to a decrement in the validity of that test with respect ...

The feasibility, validity and reliability of the Time Trade-Off (TTO) and Visual Analogue Scale (VAS) methods in obtaining preference values for health states were compared in a random sample of the ...

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 times) ...

Objective: To provide additional validity data for the Asthma Control Test TM (ACT) using a different criterion measure, setting, and population. Study Design: Cross-sectional survey. Methods: ...