Why shouting makes teenagers worse: Discipline by parents could push children into depression and troubled behaviour Scientists looked at 976 mostly middle class two parent families in the U.S They found many parents changed from physical to verbal discipline Children are more likely to steal, lie or fight if disciplined in this manner Middle-class parents who shout at their teenage children are increasing their risk of depression and troubled behaviour. Even if parents enjoy a close relationship with their son and daughter, harsh verbal discipline was found have a dramatic impact on their teens emotional development, a study found. This form of discipline can vary from yelling and shouting at a child, to swearing and using words to humiliate them. Damaging: A study found that parents tend to move from physical discipline to verbal as their children become teenagers (file picture) Scientists looked at 976 two-parent families in the US, the majority of which were middle-class. They found that many shifted from physical to verbal discipline as their children entered adolescence. They also discovered that more severe forms of harsh verbal discipline were commonplace, and directed at teens in nearly half of households. The researchers found if parents use such punishment when their child is 13, the teen is more likely to have behavioural or emotional problems later on. These youngsters tended to suffer more depressive symptoms between ages 13 and 14 than children who were not disciplined in this manner, while they were also more likely to have conduct problems such as misbehaving at school, lying, stealing, or fighting. Effect: Children whose parents shout at them are more likely to suffer symptoms of depression according to the study "This is one of the first studies to indicate that parents" harsh verbal discipline is damaging to the developing adolescent," said lead researcher Dr Ming-Te Wang, assistant professor of psychology in education at the University of Pittsburgh. "The notion that harsh discipline is without consequence, once there is a strong parent-child bond-that the adolescent will understand that "they're doing this because they love me"-is misguided because parents" warmth didn't lessen the effects of harsh verbal discipline. Indeed, harsh verbal discipline appears to be detrimental in all circumstances. The study, published in the journal Child Development, found that not only does harsh verbal discipline appear to be ineffective at addressing behaviour issues, it may actually add to the problem. Even if the parents were close to their child, this form of discipline still caused emotional damage. The report concluded: "Maternal and paternal warmth did not moderate the longitudinal associations between mothers" and fathers" use of harsh verbal discipline and adolescent conduct problems and depressive symptoms." The researchers suggested parents" hostility could actually lead to an increase in the risk of delinquency, by lowering inhibition and fostering anger, irritability, and belligerence in adolescents. During the experiment, teens and their parents completed surveys over a two-year period on topics related to their mental health, child rearing practices, and the quality of the parent-child relationship. Approximately 90 per cent of American parents admit one or more instances of harsh verbal discipline towards their children. Dr Wang suggests parents who want to discipline their teenage children would benefit by talking with them about their concerns and the consequences of the behaviour. He said the findings could influence future parenting programmes and encourage alternative methods of punishment to shouts and insults.