Reference : Psychometrical performance of young belgian boys with unusual lead absorption : A pil...
Scientific congresses and symposiums : Paper published in a book
Social & behavioral sciences, psychology : Theoretical & cognitive psychology
Psychometrical performance of young belgian boys with unusual lead absorption : A pilot study
[fr] performance psychométrique de jeunes enfants belges présentant une imprégnation saturnine sub-clinique: Une étude pilote
Thirion, Paul mailto [Université de Liège - ULiège > CARE "Le Réseau des bibliothèques" > "Réseau des Bibliothèques" : UD FAPSE > >]
Sartor, Francis [Université de Liège - ULiège > > Toxicologie de l'environnement > >]
Deltour, Jean-Jacques [Université de Liège - ULiège > > Service de psychométrie > >]
Rondia, Désiré [Université de Liège - ULiège > > Toxicologie de l'environnement > >]
Belgian research on metals cycling : Proceedings of a symposium held in Brussels, 11-12 october 1985
Rondia, Désiré
Presses Universitaires de Liège
Metal cycling in the environment
11-12 October 1985
Belgian Committee of SCOPE (Scientific Committee on Problems of the Environment) of the International Council of Scientific Unions
Académie Royale des Sciences, des Lettres et des Beaux Arts de Belgique
[en] Lead absorption ; Lead poisoning ; Intelligence development ; Psychometric performance ; Cognition ; Infancy
[fr] Childhood
[en] Two groups of boys, 4-5 years old, living respectively in a high and low lead intake risk areas (Verviers and Liege) have been compared for two intelligence scales, for the developmental test of the visual perception, for two French vocabulary tests and for the hair lead content. Possible psychological or sociological bias have been controlled by the matching of boys for familial variables and by exclusion of children with a non acceptable medical and psychological previous history.
The results show a higher geometric mean for the hair lead concentration in the Verviers children. The mean scores of the Wechsler full scale IQ and the vocabulary tests do not differ significantly in the investigated groups. The performance subtests of the intelligence scales however give different results at the usual 5% level. The small size of the samples examined in this pilot study precludes any conclusion about the causality or the strength of the association.

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