期刊名称：Discussion Paper / Zentrum für Europäische Wirtschaftsforschung (ZEW)
出版年度：2015
出版社：Zentrum für Europäische Wirtschaftsforschung (ZEW)
摘要：We investigate the effect of peer group composition on language improvement in language classes for adults. Using unique survey data of migrants participating in an intensive language course in Germany, wefind that the age and skill composition of groups affect skill acquisition asassessed by the teacher. Moreover, groups that are more heterogenuousin terms of regions of origin on average obtain improvements in language skills with a higher probability
