Answer:
Letter c is correct. Paired comparison.
Step-by-step explanation:
The paired comparison evaluation technique occurs when a comparison analysis is performed considering a small range of options. It is an easy activity to perform and allows you to establish subjective judgment criteria according to a classification of alternatives.
For Raj, it would be a useful evaluation activity, as he has few staff members to evaluate against others, and can establish alternative classification criteria that will be effective in measuring and obtaining results according to his needs.