Suicide is more common than homicide

Marco has been running each afternoon trying to beat his college's record for the 400 meter sprint. Despite all his practicing, he hasn't been able to come in under his usual time

There's a big fan turnout for the track meet on Saturday against the rival school and Marco not only beats the old record, but far surpasses it. Marco's behavior illustrates A) social facilitation. B) social compensation. C) social loafing. D) the bystander effect.

According to James Marcia's four categories of adolescent identity development, adolescents are "stuck" in one category at a time

Indicate whether the statement is true or false.