constant error

a systematic error in some particular direction. Constant error is computed as the average positive or negative difference between the observed and actual values along a dimension of interest. For example, if a weight of 1 kg is judged on average to be 1.5 kg, and a weight of 2 kg is judged to be 2.5 kg, the constant error is 500 g. See also absolute error; random error.

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Psychology term of the day

February 1st 2025

fiat

n. in ideomotor theory, the intuitive sense of allowing an action to execute when it is felt to be ready. [from Latin: “let it be done” or “let it happen”; originally defined by William James]