What kind of influence is shaping sally's self-concept?
"this is my first attempt at oil painting. i'm really nervous. all the other students seem like they know what they're doing. i'm afraid i don't even know how to mix my paints."

social comparison

Explanation:The theory of social comparison claims that people assess their own social and personal worth on the basis of how they stack up against others. Often people compare to others as a way to foster self-improvement, self-motivation, and a positive self-image.

a biography is a genre that mainly accounts somebody's life and that is written by somebody else. this genre supports sonia nazario's desire to share enrique's life because she can fully inform readers of his entire emotional journey.

in a biography, an author can share the readers almost everything about a person's life, or just one key event or personal aspect the author is interested in telling, like in this specific case in which sonia nazario is centered in enrique's emotional journey.