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Garcia-Cruz, E., Huguet, J., Piqueras, M., Ribal, M. J., & Alcaraz, A. (2011). Second to Fourth Digit Ratio, Adult Testosterone Level and Testosterone Deficiency. BJU International, 109, 266-271.
https://doi.org/10.1111/j.1464-410X.2011.10249.x

has been cited by the following article:

• TITLE: The 2:4 Digit Ratio, Sex and Personality

  AUTHORS: Adrian Furnham, Stephen Cuppello, David S. Semmelink

  KEYWORDS: 2:4 Digit Ratio, Sex, Gender, Personality, Neuroticism

  JOURNAL NAME: Psychology, Vol.16 No.7, July 29, 2025

  ABSTRACT: This study explores the correlation between the 2:4 Digit Ratio and trait Neuroticism alongside gender expression. In all, 260 adults indicated the 2:4 Digit Ratio on their left hand and completed a work-related personality measure. As established in many studies, sex differences were present in the ratio. We also identified significant differences associated with masculine-feminine ratings and trait Adjustment (low Neuroticism). Implications and limitations are discussed.