Marinus H. van IJzendoorn|Jarissa Dijkstra|Adriana G. Bus
Attachment, Intelligence, and Language: A Meta?analysis†
Leiden University|Leiden University|Leiden University
abstract attachment theory several hypotheses association attachment cognitive development generated series metaanalyses 32 studies tested whether quality attachment related intelligence dq iq language competence attachment showed weak association dq iq measures combined r 09 n 1026 combined effect size relation attachment language competence r 28 n 303 conclude first differences intelligence play major role shaping attachment relationships differences quality attachment confounded significant way differences intelligence second secure children appeared competent language domain insecure children language development appears stimulated context secure attachment relationship secure parents may better teachers secure children may better motivated students