Final answer:
Intersectionality is important in research on social relations as it recognizes the intersection and impact of multiple identities on individuals' experiences. Incorporating various research studies enhances the credibility of research on intersectionality by providing evidence from different perspectives and contexts.
Step-by-step explanation:
Intersectionality is important in research on social relations because it recognizes that individuals have multiple identities and that these identities intersect and impact their experiences. By incorporating various research studies, the credibility of the research on intersectionality is enhanced as it provides evidence from different perspectives and contexts. For example, the research studies discussed by Jennifer C. Nash allow for a deeper understanding of how race, class, gender, and other attributes interact and shape people's lives.