在生活中常可见到一些孩子逆反心理与行为较重,例如脾气很不好,惹不得,多动,以摔东西取乐,有时还时常逃学、撒谎、斗殴、偷盗等。医学家称这种举止为品行障碍。儿童品行障碍说,是70年代末崛起的一门新兴学科,属行为科学的一个分支。据有人调查4～10岁的2400多名儿童中,有10.5～15.3%的儿童有品行障 In life, you can often see some children rebelling against psychology and behavior heavier, such as temper is not good, provoke, hyperactivity, to win something fun, and sometimes also often truancy, lying, fighting, theft and so on. Medical experts call this behavior disorder. Barriers to conduct of children, said the rise of the late 70s is a new discipline, is a branch of behavioral science. According to some people surveyed more than 2,400 children aged 4 to 10 years, 10.5 to 15.3% of children have product line barrier