日前,加拿大蒙特利尔大学及其附属圣贾斯汀儿童医院的研究者发现,参加定期的、有组织的课外团体活动有助于培养孩子们的纪律性。研究者分别在幼儿园和家庭中调查了出生于魁北克省的2694名孩子的相关数据。4年后又重复了一次这样的调查。排除了可能影响研 Researchers at the University of Montreal in Canada and its affiliated St. Justin Children’s Hospital have recently found that engaging in regular, organized extracurricular group activities can help train children to be disciplined. Researchers in kindergartens and families surveyed the data of 2,694 children born in Québec. Four years later, they repeated such investigations. Exclusion may affect research