according to HealthMir

Aggression

When children who have been shouted at consistently reach the age of 4 or 5, they are likely to display aggressive behaviors themselves. These kids begin to have problems in social situations with their peers. They act out by invading others’ personal space, pushing, hitting and even biting. Children exposed to yelling need to be taught how to control the anger built in them from the abuse they have endured. Professional counseling is appropriate in treating aggressive behavior patterns in young children.