Standard error of measurement
Musselwhite, D., & Wesolowski, B. (2018). Standard error of measurement. In B. B. Frey (Ed.), The SAGE encyclopedia of educational research, measurement, and evaluation (pp. 1588-1590). SAGE.
As you learned from this resource in a previous week, this resource explains the spread of measurement errors when a sample is used to estimate a population value. In other words, it describes the possible error between the observed and true scores.