In this paper we test the usefulness of imprecise value judgments in evaluating employee performance. The test is based on two experiments which evaluate the performance of college lecturers. The experiments are carried out by applying the PRIME model (Preference Ratios in Multi-attribute Evaluation), a specific multi-attribute value model that supports the use of imprecise value judgments. The test shows that the use of imprecise value judgments, as synthesized by the PRIME model, can remedy a number of defects that are identified in conventional evaluation models in regard to job requirements and employee performance.