Debate and argument: reply to James's "The sex ratios of the sibs of children with psychiatric diagnoses." (response to William H. James in this issue, p. 595)
Article Abstract:
Comments on the remarks of James regarding a study on the sibling sex ratio of boys with gender identity disorder are presented. James's recommendation that the value of 0.518 as a more appropriate proportion of males was used to re-test the values used in the study. However, the results remained high as with the original values. His remarks on the altered sibling sex ratios were also rebuffed with the evidence that the study involved a control group consisting of boys with various psychiatric disorders, wherein sibling ratio was not changed.
Publication Name: Journal of Child Psychology and Psychiatry and Allied Disciplines
Subject: Psychology and mental health
ISSN: 0021-9630
Year: 1998
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A re-examination of the sex ratios of families with a neurodevelopmentally disordered child
Article Abstract:
The claim that the 1.10 sex ratio of siblings in families without neurodevelopmentally disordered (ND) children has arisen due to biases is invalid. The U.S. Census bureau data is inadequate in providing the exact sex ratio of siblings, because the sex ratios of single child and multiple children families may be different. The use of the sex ratio in non-ND-families as a standard for the calculation of the sex ratio in ND families is correct. The results of the analysis show that there is no male bias in ND families.
Publication Name: Journal of Child Psychology and Psychiatry and Allied Disciplines
Subject: Psychology and mental health
ISSN: 0021-9630
Year: 1996
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The sex ratios of families with a neurodevelopmentally disordered child
Article Abstract:
A study of an epidemiological sample of 2,080 neurodevelopmentally disordered (ND) children revealed that the sex ratios in their families did not unduly tilt toward the male child. This finding contradicts claims that mothers of ND children have hormonal and immunological features that bias them toward giving birth to male children.
Publication Name: Journal of Child Psychology and Psychiatry and Allied Disciplines
Subject: Psychology and mental health
ISSN: 0021-9630
Year: 1995
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