Final answer:
The specific challenge for supervisors is recognizing the differences that might exist among people, including cultural, social, and economic backgrounds.
Step-by-step explanation:
The specific challenge for supervisors in recognizing the differences that might exist among people is the perception of cultural, social, and economic backgrounds of individuals. Supervisors need to be able to understand and appreciate the diverse backgrounds of their team members in order to effectively manage and work alongside them. This includes recognizing and addressing any biases or stereotypes that may exist, and promoting a culture of inclusivity and equality.