Whenever we use instruments to measure things, whether it’s a yardstick to measure height, a clock to measure drive time, or a test to measure student ability, there is some amount of noise that can result in slightly different measurements each time. That noise is called measurement error. In educational testing, this measurement error is more often referred to as the standard error of measurement—abbreviated “SEM.”
Bright ideas for tech-savvy educators, right to your inbox
Bright ideas for tech-savvy educators right to your inbox. Subscribe today.
x