Meta-Analyses
Journal of Clinical Child and Adolescent Psychology |
Wierzbicki |
USA |
Psychological adjustment of adoptees: A meta-analysis |
1993 |
Adoptee vs. nonadoptive achievement |
66 |
0 |
31 |
0.13 |
Psychological Bulletin |
van Ijzendoorn, Juffer, Poelhuis |
Netherlands |
Adoption and cognitive development: a meta-analytic comparison of adopted and nonadopted children's IQ and school performance |
2005 |
Nonadopted vs. adopted children |
55 |
0 |
52 |
0.19 |
Journal of Speech, Language, and Hearing Research |
Scott, Roberts, & Glennen |
USA |
How well do children who are internationally adopted acquire language? A meta-analysis |
2011 |
Language skills of internationally adopted children |
29 |
0 |
29 |
0.44 |
TOTAL/AVERAGE |
150 |
0 |
112 |
0.25 |