Jamar enters a clothing store and a security guard immediately notices him and follows his actions on a security monitor. Jamar is aware of the security guard's actions and adjusts his own behavior to avoid a potential confrontation. This is a contemporary example of which sociological concept developed at the turn of the twentieth century by W. E. B. Du Bois?

Double consciousness

Explanation:Double consciousness , is a concept describes by Du Bois , which refers to how African Americans find it hard to establish their own sense of self hence they end up having more than one social identity This is due to the fact that they are living in a world where they are oppressed and not regarded as equal to other races. On the other side according to the culture of America , equality and dignity is put forward.

This makes it hard for these individuals to decide whether they should identify with being oppressed or being free. This creates self doubt , and feeling of being inhibited.

intimacy, passion and commitment are the components of a interpersonal relationship emphasized in the triangular theory of love by robert sternberg.

the triangular theory of love says love can be comprehend as this componest form the vertices of a triangle.  

intimacy relates to feelings such as of closeness and connection;

passion relates the drives that brings people together, as physical attraction.

commitment relates to the being in a long-term relationship.