According to Markus and colleagues' research, living in a higher-class environment with more resources, security, and safety is related to a self-construal, whereas living with fewer social and economic resources and less security and safety tend to have a more self-construa

independent , interdependent

Explanation:

In simple words, self construal refers to the perception that an individual has for herself or himself. Saying this,we can easily observe that individuals living in high societies gets all resources easily and in moment thus they become more confident and independent in respect of their personality.

But due to lack of resources individuals in middle and lower class are used to compromise their opportunities to others. Thus, they develop the tendency to please others and more focused on how others think themselves rather  being confident on their own.

yes, since there is a positive and a negetive if the positive and negitive wasn't there wouldn't a flow electricity in it.