Public review preview. Candidate definitions have not yet been read by the two reviewers. Each entry shows its review status.
history

Judged: two independent readers; copy check clear.

constant error

constant error Constant error is the difference between the true magnitude and the average of a set of measurements or judgments.

Constant error is the difference between the true magnitude and the average of a set of measurements or judgments. In psychology, it refers to a consistent tendency for perception or judgment to be, on average, too large or too small, so the error may be positive or negative.