At Susko Systems Inc., employees with exceptional performance ratings are three to four more times as likely to be promoted in comparison to employees who receive average or below average ratings. Susko Systems most likely uses the promotion criterion of to promote its employees.

Merit.

Explanation:

Human resources management (HRM) can be defined as an art of managing, controlling and improving the number of people (employees or workers), functions, activities which are being used effectively and efficiently by an organization.

Hence, human resources managers are saddled with the responsibility of recruiting, managing and improving the welfare and working conditions of the employees working in an organization.

An employee can be defined as an individual who is employed by an employer of labor to perform specific tasks, duties or functions in an organization.

Basically, an employee is saddled with the responsibility of providing specific services to the organization or company where he is currently employed while being paid a certain amount of money hourly, daily, weekly, or monthly depending on the contractual agreement between the two parties (employer and employee).

Hence, while an employer may be the owner of a business firm or company, an employee is a subordinate employed to provide unwavering services to the employer while also, being professional and diligent at all times.

In this scenario, Susko Systems most likely uses the promotion criterion of merit to promote its employees. A merit is function of the performance of an employee.