How much can you trust 'My range of motion has improved!'? — Measurement error with a goniometer is about 4° even when measured by the same person; a real change can only be ...

IntroductionYou measure your shoulder range of motion before and after stretching and think, 'Internal rotation increased by 3°!' Or, during a team medical check, you hear, 'It's 5° less than last ...

Who is Wayne A. Fuller and what did he change in economics? Statistical theory for correctly handling measurement error and time series data

Wayne A. Fuller is a Distinguished Professor Emeritus at Iowa State University and a researcher who has made significant contributions to statistics, particularly in time series analysis, measurement ...
EDN

Manage your measurement errors

Test instruments such as oscilloscopes and DMMs (digital multimeters) often let you get the measurement results you need with just the press of a button. But the number on a meter's display or the ...
PharmTech

Understanding Measurement Uncertainty in Weighing

A program for calibration and routine testing of weighing instruments ensures accurate results. A measurement of any kind is affected by the errors and uncertainties that exist in that measurement ...