Final answer:
Peer pressure is the concept that best explains Elena's behavior.
Step-by-step explanation:
The concept that best helps explain Elena's behavior is Peer pressure.
Peer pressure refers to the influence that peers have on an individual's behavior, choices, and attitudes.
In Elena's case, her behavior of teasing and receiving an academic award is influenced by her basketball team's negative response and pressure to conform to their standards.
Learn more about Peer pressure