Adoption Is a Successful Natural Intervention Enhancing Adopted Children's IQ and School Performance  

Oleh:

Ijzendoorn, Marinus H. Van ; Juffer, Femmie

Jenis: Article from Journal - e-Journal
Dalam koleksi: Current Directions in Psychological Science vol. 14 no. 06 (Dec. 2005), page 326-330.
Topik: adoption; meta-analysis; IQ; school achievement; special education; language
Fulltext: 10. Adoption Is a Successful Natural Intervention Enhancing Adopted Children's IQ and School Performance.pdf (103.87KB)

Isi artikel

Is the cognitive development of adopted children different from that of (a) children who have remained in institutional care or in their birth families or (b) their current (environmental) non-adopted siblings or peers?We attempt to answer these questions on the basis of a meta analysis of 62 studies including 17,767 adopted children. Compared to their non-adopted siblings or peers who stayed behind, adopted children scored substantially higher on IQ tests and they performed much better at school. Compared to their current non-adopted environmental peers or siblings, adopted children showed similar IQ scores but their school performance and language abilities lagged somewhat behind. Most importantly, we found a twofold increase in special-education referrals in adopted children compared to their non-adopted peers. Taken together, the findings document the positive impact of adoption on children’s cognitive development and adopted children’s remarkably normal cognitive competence but somewhat delayed school performance.

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