The Independence of Hyperactivity from Conduct Disorder: Methodological Considerations
- 1 May 1989
- journal article
- other
- Published by SAGE Publications in The Canadian Journal of Psychiatry
- Vol. 34 (4), 279-282
- https://doi.org/10.1177/070674378903400403
Abstract
It has been claimed that the childhood behavioural factors “hyperactivity” and “conduct disorder” are highly correlated. The fact that hyperactive symptoms load heavily on the conduct disorder factor has also been used to support the notion that hyperactivity is not an independent behavioural dimension. The present study employs a large sample of combined clinic and normal children to demonstrate that both of these observations are artifacts of methodological technique. When factor score coefficients are used to interpret factors, the hyperactive symptoms do not load on the conduct disorder factor. If factor scores are defined by the use of unit weights, as in previous studies, then the inter-correlation between the hyperactive and conduct disorder factors is high. The use of factor score coefficients to define factors, on the other hand, produces uncorrelated factors. The results support the idea that hyperactivity and conduct disorder are independent behavioural dimensions.Keywords
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