Multiple Birth Risk Factors and the Distribution of Handedness

Hicks, Robert A.; Elliott, Darlyne; Garbesi, Linda; Martin, Sharon

doi:10.1016/s0010-9452(79)80014-3

Cited by 17 publications

(2 citation statements)

References 12 publications

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“…Significant relationship between nonright-handedness and Bakan's low-risk category if mother was older than 30 years. h The same criteria were used as in Hicks, Elliot, et al (1979). ' Significantly more nonright-handers were firstborn to mothers older than 39 years. '…”

Section: Birth Order Positionmentioning

confidence: 99%

Relationship between birth order, birth stress, and lateral preferences: A critical review.

Searleman

Porac²,

Coren

1989

Psychological Bulletin

111

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Reviews the literature examining the relationship between birth order, birth stress, and lateral preferences in nonclinical samples, with special emphasis on reports since 1971. The review found no evidence to relate birth order position to deviations from right-sidedness for either sex. More direct measures of birth stress indicated that deviations from right-handedness (particularly for male subjects), and also right-eyedness, were statistically related to specific birth stressors. It should be stressed, however, that all the relationships, including the significant ones, were very weak, accounting for less than 1% of the variance. When statistical significance was achieved, it was largely due to the huge sample sizes used in the meta-analyses. Methological and theoretical problems exist in the current literature, and we offer some suggestions to resolve them.

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Section: Birth Order Positionmentioning

confidence: 99%

Relationship between birth order, birth stress, and lateral preferences: A critical review.

Searleman

Porac²,

Coren

1989

Psychological Bulletin

111

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“…Bakan argued that these birth orders are associated with raised perinatal risk. (However, c.f: studies by Hubbard 1971;Teng et al 1976;Schwartz 1977;Hicks et al 1978Hicks et al , 1979 Table IV shows the association of birth order with target group membership. (Data on birth order were not available for four adoptees.)…”

Section: Hyporhesis 2: the Target Group Should Have Raised Incidence mentioning

confidence: 99%

Handedness, Clumsiness and Cognitive Ability

Bishop

1980

Develop Med Child Neuro

125

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SUMMARY An unselected group of 170 children aged between eight and nine years was given tests of intelligence, reading ability and manual dexterity. A ‘target’ group of children was selected on the basis of very poor performance with the non‐preferred hand. Using an extension of Satz's pathological left‐handedness model, it is argued that there should be a higher proportion of left‐handers in the target group than in the remainder of the sample: this prediction was confirmed. It was also predicted that the target group should have a higher incidence of neurological disorder, and that left‐handers in the target group should have a lower incidence of familial sinistrality than other left‐handers. Partial confirmation of these predictions was obtained. The target group was impaired on cognitive tasks. It is argued that skill with the non‐preferred hand may be more meaningful than direction of hand preference as a basis for understanding relationships between handedness and ability. RÉSUMÉ Dominance, maladresse et attitude cognitive Des tests d'intelligence, une mesure de la lecture et de la dextérité manuelle ont été effectués chez un groupe non sélectionné de 170 enfants de 8–9 ans. Un groupe ‘cible’ d'enfants a été selectionné sur la base de performance très limitées de la main non dominante. Sur la base d'une extension du modèle de la gaucherie pathologique de Satz, il aurait dû y avoir une plus forte proportion de gauchers dans le groupe cible que dans l'échantillon: cette prédiction s'est trouvée confirmée. II pouvait être prédit également que le groupe cible aurait dû présenter une fréquence plus grande de troubles neurologiques et que les gauchers du groupe cible auraient une fréquence plus faible de gaucherie familiale que les autres gauchers. Une confirmation partielle de ces données a été obtenue. Le groupe cible présentait des insuffisances cognitives. L'auteur suggère que l'habileté de la main non dominants peut être plus significative que le choix de la main dans la relation entre dominance et aptitude. ZUSAMMENFASSUNG Händigkeit, Ungeschicklichkeit und cognitive Fähigkeiten Einer Gruppe von 170 Kindern im Alter zwischen acht und neun Jahren wurden Tests zur Beurteilung der Intelligenz, der Lesefertigkeit und der manuellen Geschicklichkeit vorgelegt. Es wurde eine ‘Target’ Gruppe von Kindern ausgewählt, die mit der nicht bevorzugten Hand sehr ungeschickt waren. Unter Verwendung einer erweiterten Form des Satz'schen pathologischen Linkshändigkeitsmodelles hätte in der Target Gruppe eine größere Anzahl von Linkshändern sein müssen als bei dem Rest der Unter‐suchungsgruppe. Diese Vermutung wurde bestätigt. Außerdem wurde angenommen, daß bei den Kindern der Target Gruppe häufiger neurologische Erkrankungen vorkommen und daß bei den Linkshändern der Target Gruppe seltener eine familiäre Linkshändigkeit vorliegt als bei anderen Linkshändern. Zum Teil wurden auch diese Vermutungen bestätigt. Die Kinder der Target Gruppe schnitten bei den cognitiven Aufgaben schlechter ab. Es wird diskutiert, daß Geschicklichke...

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Neuropsychological Approaches to the Study of Individual Differences

Hiscock

Mackay

1985

Methodological and Statistical Advances in the Study of Individual Differences

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Multiple Birth Risk Factors and the Distribution of Handedness

Cited by 17 publications

References 12 publications

Relationship between birth order, birth stress, and lateral preferences: A critical review.

Relationship between birth order, birth stress, and lateral preferences: A critical review.

Handedness, Clumsiness and Cognitive Ability

Neuropsychological Approaches to the Study of Individual Differences

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