Del Giudice, M. (2023).
The S-index: Summarizing patterns of sex differences at the distribution extremes.
Personality and Individual Differences, 205, 112088.
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Supplementary material: Online supplement; R function for the S-index; code and data

Del Giudice, M., & Gangestad, S. W. (2023).
No evidence against the greater male variability hypothesis:
A commentary on Harrison et al.’s meta-analysis of animal personality.

Evolutionary Psychological Science.
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Del Giudice, M. (2022).
The prediction-explanation fallacy: A pervasive problem in scientific applications of machine learning.
Preprint (under review). DOI:10.31234/osf.io/4vq8f
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Del Giudice, M. (2022).
Measuring sex differences and similarities.
In D. P. VanderLaan & W. I. Wong (Eds.), Gender and sexuality development: Contemporary theory and research.
New York: Springer.
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Supplementary material: R functions for Mahalanobis D; Excel calculator

Del Giudice, M. (2021).
[Comment] Binary thinking about the sex binary: A comment on Joel (2021).
Neuroscience and Biobehavioral Reviews, 127, 144-145.
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Del Giudice, M. (2021).
Individual and group differences in multivariate domains: What happens when the number of traits increases?
Preprint (under review). DOI:10.31234/osf.io/rgzd2
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Del Giudice, M. (in press).
Ideological bias in the psychology of sex and gender.
In C. L. Frisby, W. T. O’Donohue, R. E. Redding, & S. O. Lilienfeld (Eds)., Political bias in psychology: Nature, scope, and solutions.
New York: Springer.
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Luoto, S., Rantala, M. J., & Del Giudice, M. (2021).
[Letter] Gender norms and the wellbeing of girls and boys.
The Lancet Global Health, 9, e397.
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Kaiser, T., Del Giudice, M., & Booth, T. (2020).
Global sex differences in personality: Replication with an open online dataset.
Journal of Personality, 88, 415-429.
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Del Giudice, M. (2019).
Sex differences in attachment styles.
Current Opinion in Psychology, 25, 1-5.
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Del Giudice, M. (2018).
Addendum to: Heterogeneity coefficients for Mahalanobis’ D as a multivariate effect size.
Multivariate Behavioral Research, 53, 571-573.
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Supplementary material: R functions for Mahalanobis D

Del Giudice, M. (2017).
[Letter] Pink, blue, and gender: An update.
Archives of Sexual Behavior, 46, 1555-1563.
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Del Giudice, M. (2017).
Heterogeneity coefficients for Mahalanobis’ D as a multivariate effect size.
Multivariate Behavioral Research, 52, 216-221.
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Supplementary material: R functions for Mahalanobis D

Del Giudice, M., Lippa, R. A., Puts, D. A., Bailey, D. H., Bailey, J. M., & Schmitt, D. P. (2016).
[Letter] Joel et al.’s method systematically fails to detect large, consistent sex differences.
Proceedings of the National Academy of Sciences USA, 113, E1965.
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Del Giudice, M. (2015).
Gender differences in personality and social behavior.
In J. D. Wright (Ed.), International encyclopedia of the social and behavioral sciences (2nd ed.) (pp. 750-756).
New York: Elsevier.
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Del Giudice, M., Lippa, R. A., Puts, D. A., Bailey, D. H., Bailey, J. M., & Schmitt, D. P. (2015).
[Online document] Mosaic brains? A methodological critique of Joel et al. (2015).
DOI: 10.13140/RG.2.1.1038.8566.
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Del Giudice, M. (2013).
Multivariate misgivings: Is D a valid measure of group and sex differences?
Evolutionary Psychology, 11, 1067-1076.
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Del Giudice, M. (2012).
[Letter] The twentieth century reversal of pink-blue gender coding: A scientific urban legend?
Archives of Sexual Behavior, 41, 1321-1323.
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Del Giudice, M., Booth, T., & Irwing, P. (2012).
The distance between Mars and Venus: Measuring global sex differences in personality.
PLoS ONE, 7, e29265.
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Supplementary material: Comments and reply

Bailey, D. H., Lippa, R. A., Del Giudice, M., Hames, R., & Geary, D. C. (2012).
[Letter] Sex differences in spatial abilities: Methodological problems in Hoffman et al.
Proceedings of the National Academy of Sciences USA, DOI: 10.1073/pnas.1114679109.
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Del Giudice, M. (2011).
Sex differences in romantic attachment: A meta-analysis.
Personality and Social Psychology Bulletin, 37, 193-214.
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Del Giudice, M., & Belsky, J. (2010).
Sex differences in attachment emerge in middle childhood: An evolutionary hypothesis.
Child Development Perspectives, 4, 97-105.
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Del Giudice, M. (2009).
Sex, attachment, and the development of reproductive strategies.
Behavioral and Brain Sciences, 32, 1-21.
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Del Giudice, M. (2009).
On the real magnitude of psychological sex differences.
Evolutionary Psychology, 7, 264-279.
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Supplementary material: R functions for Mahalanobis D; Excel calculator