<em><u>Preoperational stage,</u></em><em> in psychology, is considered as the second stage in the </em><em><u>cognitive development theory</u></em><em> which was discovered by </em><em><u>Jean Piaget,</u></em><em> a well-known psychologist. The preoperational stage starts at two years of age and ends around age seven. A child who falls under this stage starts talking, learns to manipulate various symbols, and engages or involves in symbolic play. </em>
<em><u>As per the question, Mark is most likely in the preoperational stage of cognitive development.</u></em>
The system seeks to match pay to an employee's performance on the job I.e. how competently an employee is able to carry out their duties over a specific period. It's designed to enhance motivation. However. objectivity in appraisal poses a challenge.