Noise is unwanted sound considered unpleasant, loud or disruptive to hearing. Common symptoms in children consisted of depression, antisocial behavior, delinquency, and disruptive behavior in school. Technological growth includes incremental developments and disruptive technologies. There is clear evidence of lower levels of substance abuse and disruptive behavior. Such EMP interference is known to be generally disruptive or damaging to electronic equipment. Structural arguments emphasize causes and solutions related to disruptive technologies and globalization. Arkwright protected his investment from industrial rivals and potentially disruptive workers. The main user could "kick" or ban people who were disruptive or threatening. He was also known for his disruptive behavior. Teachers are more likely to write referrals for students that are overly disruptive. However, Moore's theories are only applicable for disruptive or discontinuous innovations. The description of Dao as "disruptive" and "belligerent" contradicted passenger descriptions of the incident. Washington decided Monroe was inefficient, disruptive, and failed to safeguard the national interest. Her students also seem continually disruptive and playful. This caused a journalist spin that they were sent to Scotland for being especially "disruptive".