Jennifer and Rafael happen to walk in to a large company at the same time to apply for an advertised position as an accounting clerk. The Human Resource (HR) professional responsible for selecting the best candidate for the position orders an appropriate test of basic mathematical skills for each of these applicants. Based on their scores, the HR professional chooses Jennifer for the job. The reason for this choice is a determination that Jennifer has an 85% chance of performing at an acceptable level. By contrast, Rafael's score indicated that he had only a 50% chance of performing successfully. The tool of assessment used to make this hiring decision MOST probably was