The measurement of joint range of motion (ROM) is a cornerstone of clinical assessment, rehabilitation and biomechanical research. Reliable and accurate quantification of joint movement is essential ...

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) ...

This is part two of Craig Hillman’s article on reliability in electronic design. Click here to read his first article, "The End is Near for MIL-HDBK-217 and Other Outdated Handbooks." Welcome to the ...

Why is calibration important? How calibration techniques have changed over time. A timeline showing the evolution of calibration from the beginning would have to start hundreds of years ago (Fig. 1).

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) ...