Judged: two independent readers; copy check clear.
error variance
error variance Error variance is variation in measurement results that comes from methodological or unwanted influences rather than the true thing being measured.
Error variance is variation in measurement results that comes from methodological or unwanted influences rather than the true thing being measured. In this source, examples include background assay signals, hemoglobin in serum, differences in plate-coating procedures, and differences between standards, all of which can reduce reproducibility.