To what extent does g impact on conceptual, practical and social adaptive functioning in clinically referred children?

Murray, Aja Louise, McKenzie, Karen and Murray, George (2013) To what extent does g impact on conceptual, practical and social adaptive functioning in clinically referred children? Journal of Intellectual Disability Research, 58 (8). pp. 777-785. ISSN 09642633

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Abstract

BACKGROUND: Previous analyses have found variable results when evaluating the size of the association between intellectual ability and adaptive functioning in individuals with impaired function.

METHODS: We assessed the association between intellectual ability measured as a latent higher-order g and three different areas of adaptive functioning in a sample of clinically referred individuals with low IQ.

RESULTS: Regressing g on conceptual, practical and social adaptive functioning yielded standardised regression coefficients of 0.65, 0.60 and 0.51 respectively.

CONCLUSIONS: Results suggests that even at low levels of ability, increments in g still have important consequences for human functioning. Further, the influence of g may not be equally strong across different areas of human functioning.

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