Final answer:
Eloise Hinton's thoughts reflect societal prejudices towards different social groups such as the Socs and greasers. Literature frequently exposes the biases and hierarchical nature of society that marginalize certain groups while favoring others, as seen through characters like Mrs. Costello.
Step-by-step explanation:
Eloise Hinton's thoughts about how society views the Socs and greasers illustrate the deep divisions and prejudices within her community. The depiction of social groups in literature often reflects the hierarchical structures and biases present in society, where people like the Socs, who are seen as part of the upper class, are accepted and integrated into social circles, unlike the greasers who are deemed lower class and are marginalized. This perspective is reinforced through characters like Mrs. Costello, who openly admits her exclusivity and disdain for those considered 'common'.
In the broader context of societal norms, discussions around individual-society connections, gender socialization, and racial and ethnic prejudices contribute to our understanding of how certain groups are perceived and treated. Through various texts, we encounter themes of discrimination, societal pressures, and the struggle for identity amidst a world that constantly attempts to define individuals by their social standing.