What involves a heightened focus on one's self during adolescence?

Hypocrisy refers to the practice of claiming to have moral standards or beliefs to which one's own behavior does not conform. While adolescents may sometimes exhibit hypocritical behavior, it is not a characteristic specifically associated with the developmental stage of adolescence's heightened self-focus.

Altruism is the selfless concern for the well-being of others. While adolescents can certainly demonstrate altruistic behavior, the developmental stage typically involves a greater emphasis on self-exploration and identity formation rather than solely focusing on the well-being of others.

Executive function refers to a set of mental skills that help individuals manage time, pay attention, switch focus, plan and organize, remember details, and juggle multiple tasks successfully. While executive function development is important during adolescence, it is not directly related to the heightened self-focus characteristic of this developmental stage.