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Almas, Alisa N.; Degnan, Kathryn A.; Nelson, Charles A.; Zeanah, Charles H.; Fox, Nathan A. – Developmental Psychology, 2016
Young children removed from institutions and placed into foster care or adoptive homes have been shown to experience significant gains in IQ relative to children who remain in institutions. Less is known about the long-term impact of severe early deprivation on development in late childhood. Data are presented from a follow-up of children at 12…
Descriptors: Foreign Countries, Intelligence Quotient, Preadolescents, Foster Care
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Watkins, Marley W.; Canivez, Gary L.; James, Trevor; James, Kate; Good, Rebecca – International Journal of School & Educational Psychology, 2013
Irish educational psychologists frequently use the Wechsler Intelligence Scale for Children-Fourth U.K. Edition (WISC-IV[superscript UK]) in clinical assessments of children with learning difficulties. Unfortunately, reliability and validity studies of the WISC-IV[superscript UK] have not yet been reported. This study examined the construct…
Descriptors: Construct Validity, Intelligence Tests, Children, Learning Disabilities
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Hall, Scott S.; Burns, David D.; Lightbody, Amy A.; Reiss, Allan L. – Journal of Abnormal Child Psychology, 2008
Structural equation modeling (SEM) was used to examine the development of intellectual functioning in 145 school-age pairs of siblings. Each pair included one child with Fragile X syndrome (FXS) and one unaffected sibling. All pairs of children were evaluated on the Wechsler Intelligence Scale for Children-Third Edition (WISC-III) at time 1 and 80…
Descriptors: Intellectual Development, Siblings, Structural Equation Models, Mental Retardation