• Publications
  • Influence
The human sex ratio. Part 1: A review of the literature.
  • W. James
  • Psychology
    Human biology
  • 1 October 1987
TLDR
The objectives of the study are to summarize much that is known about the variation of the human sex ratio at birth and relate these findings to a hypothesis designed to explain them, and to outline some of the research needed to test the hypothesis.
Evidence that mammalian sex ratios at birth are partially controlled by parental hormone levels at the time of conception.
  • W. James
  • Biology
    Journal of theoretical biology
  • 21 June 1996
Evidence is adduced for the hypothesis that mammalian (including human) sex ratios at birth are partially controlled by the hormone levels of both parents at the time of conception. Sex ratio
Evidence that mammalian sex ratios at birth are partially controlled by parental hormone levels around the time of conception.
  • W. James
  • Psychology
    The Journal of endocrinology
  • 1 July 2008
TLDR
An attempt is made to summarize the evidence that the offspring sex ratios of mammals (including man) are causally related to the hormone levels of both parents around the time of conception.
Further evidence that mammalian sex ratios at birth are partially controlled by parental hormone levels around the time of conception.
  • W. James
  • Philosophy
    Human reproduction
  • 1 June 2004
The present note is an attempt to supplement previous argument on the hypothesized parental hormonal antecedents of mammalian offspring sex ratios. It is intended that a reader who has read both this
The Honeymoon Effect on Marital Coitus
Abstract To investigate the rate of the decline of marital coital rates with duration of marriage longitudinal recorded data abstracted from diaries and calendars kept by 21 couples were examined. A
The sex ratios of black births.
  • W. James
  • Biology
    Annals of human biology
  • 1984
TLDR
New data are presented which show that Black births in England and Wales have a remarkably low sex ratio, and claim that large samples of Yoruba and Hausa births should be treated with reserve.
The hypothesized hormonal control of mammalian sex ratio at birth--a second update.
  • W. James
  • Medicine, Biology
    Journal of theoretical biology
  • 7 March 1992
Further evidence that some male‐based neurodevelopmental disorders are associated with high intrauterine testosterone concentrations
  • W. James
  • Psychology, Biology
    Developmental medicine and child neurology
  • 1 January 2008
TLDR
The results suggest that, taxonomically, RD and ADHD are moresimilar to one another than either is to ASD; and probands in the pooled samples have a very highly significant excess of brothers.
Seasonal variation in human births.
  • W. James
  • Environmental Science
    Journal of biosocial science
  • 1990
TLDR
A hypothesis is offered to account for the difference between the European and the US patterns and for the change from one to the other in some countries.
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