The unit effect from a performance management perspective

Purpose The subjective interpretation of numerical information can induce the so-called unit effect, i.e. the scale and unit chosen to quantify such information might influence a person's judgment. Although this bias is well-known, until now, it has been difficult to obtain an overview of the respective research. There are a variety of versions of the unit effect, different terms are used for the same kind of effect and proposals for grouping...