 It is an appraisal method that aims to combine the benefits of narratives, critical incidents, and quantified ratings by anchoring a quantified scale with specific narrative examples of good, moderate, and poor performance.BARS were developed in response to dissatisfaction with the subjectivity involved in using traditional rating scales such as the graphic rating scale.A review of BARS concluded that the strength of this rating format may lie primarily in the performance dimensions which are gathered rather than the distinction between behavioral and numerical scale anchors.