Direct Indirect Aggression Inventory (DIAS)

The Direct Indirect Aggression Inventory (DIAS) assesses self-reported agression with the instruction "If you’re angry or mad at someone in class, what do you do?" with three subscales: 1) Direct Aggresion with items such as "I use cusses for the other whenever I can.", 2) Indirect Aggression with items such as "I try to irrritate the other to the point they lose their temper.", and 3) Passive Aggression with items such as "I withdraw myself from the situation.".