A Collective agreement provided triat Selfonly would goVerTOT PTOTOLOIT UCCISIONS II SAIII, ability, and other qualifications were relatively equal. The employer posted a job for a hospital porter and evaluated the candidates on the basis of an interview, written test, and past performance. The results were scored. The second and third candidates were within 5 percent and 10.8 percent of the highest-scoring candidate. The job was given to the highest