Final answer:
The author interviewed Kimberly to provide a personal perspective on managing eczema, making clinical information more relatable and engaging for readers.
Step-by-step explanation:
The author of an article may choose to interview someone like Kimberly to provide a personal and relatable perspective on the challenges of managing a health condition such as eczema. The inclusion of Kimberly's interview offers readers an intimate look into the real-world impact of the condition on families, highlighting the emotional and physical struggles involved in caring for a child with eczema. Personal stories like Kimberly's also serve to humanize the clinical information, making it more accessible and engaging for the audience.