Sibling Children 1982

Influence of family and sibling relations on development of young people (supplemental form for parents). Topics: Frequency of leisure activities (scale); common organization of...家庭与兄弟姐妹关系对青少年发展的影响（家长版补充问卷）。调研主题：休闲活动参与频率（量表）；共同组织……