北京医科大学精神卫生研究所沈渔村教授、侯沂教授指导的博士研究生王玉凤,经过三年的学习、科研和医疗、实践,在总结国内外有关儿童行为问题理论和研究方法的基础上,对北京2432名学龄期儿童进行了流行病学调查,掌握了儿童行为问题的发生率、类型以及与家庭社会环境的关系,进行了病例对照研究,检验各种病因学假论,并用生物 After three years of study, research, medical treatment and practice, Wang Yufeng, a Ph.D. student led by Professor Hou Yi and professor Shen Yucun from Beijing Institute of Mental Health, Beijing Institute of Mental Health, Beijing, on the basis of summing up the theories and research methods of children’s behavior both at home and abroad, 2432 school-age children were investigated by epidemiology, mastered the incidence of children’s behavior problems, types and the relationship with family social environment, conducted a case-control study to test a variety of etiology and hypothesis, and biological