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Advancing Dyslexia Assessment in Children Through Computerized Testing
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Gender nonconformity, intelligence, and sexual orientation.

Qazi Rahman1, Suraj Bhanot, Hanna Emrith-Small

  • 1Biological and Experimental Psychology Group, School of Biological and Chemical Sciences, Queen Mary University of London, Mile End Road, London, E1 4NS, UK. q.rahman@qmul.ac.uk

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This summary is machine-generated.

This study found that childhood gender nonconformity (CGN) correlated with higher IQ scores in heterosexual men but lower IQ scores in heterosexual women. No significant correlations were found in gay men, suggesting a sexuality-specific effect.

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Area of Science:

  • Psychology
  • Human Sexuality
  • Cognitive Science

Background:

  • Understanding the interplay between gender expression, cognitive abilities, and sexual orientation is crucial in developmental and social psychology.
  • Previous research has explored links between non-typical gender expression and various psychological traits, but findings are often inconsistent.
  • Investigating these relationships can offer insights into the complex development of identity and cognition.

Purpose of the Study:

  • To examine the relationships among recalled childhood gender nonconformity (CGN), estimated intelligence, and sexual orientation in men and women.
  • To determine if correlations between CGN and intelligence differ across heterosexual men, heterosexual women, and gay men.
  • To explore potential sexuality-specific effects on cognitive abilities related to gender nonconformity.

Main Methods:

  • Participants included 106 heterosexual men, 115 heterosexual women, and 103 gay men.
  • Measures included demographic variables, recalled childhood gender nonconformity (CGN), and the National Adult Reading Test (NART).
  • National Adult Reading Test (NART) error scores were used to estimate Wechsler Adult Intelligence Scale (WAIS) Full-Scale IQ (FSIQ) and Verbal IQ (VIQ) scores.

Main Results:

  • Gay men exhibited significantly fewer NART errors (indicating higher estimated IQ) compared to heterosexual men and women, even after controlling for education.
  • In heterosexual men, elevated boyhood femininity (CGN) was associated with higher FSIQ and NART scores.
  • In heterosexual women, elevated girlhood femininity (CGN) was associated with lower IQ scores, showing a reversed correlation compared to heterosexual men. No significant correlations were found among gay men.

Conclusions:

  • The findings suggest a potential "sexuality-specific" effect of gender nonconformity on general cognitive ability, though limitations exist.
  • Quantitative measures of sex-atypicality appear valuable for studying trait sexual orientation.
  • The study highlights differential relationships between gender nonconformity and intelligence across different sexual orientations and sexes.