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Comment
. 2020 Sep:148:105095.
doi: 10.1016/j.earlhumdev.2020.105095. Epub 2020 May 29.

(Mis-)understanding COVID-19 and digit ratio: Methodological and statistical issues in Manning and Fink (2020)

Affiliations
Comment

(Mis-)understanding COVID-19 and digit ratio: Methodological and statistical issues in Manning and Fink (2020)

Alex L Jones et al. Early Hum Dev. 2020 Sep.
No abstract available

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Conflict of interest statement

Declaration of competing interest None declared.

Figures

Fig. 1
Fig. 1
Left column: Data from M&F; male death percentage and 2D:4D, April 8th 2020. Right column: Male death percentage and 2D:4D, May 20th 2020.

Comment in

Comment on

References

    1. Manning J.T., Fink B. Understanding COVID-19: digit ratio (2D:4D) and sex differences in national case fatality rates. Early Hum. Dev. 2020;146 Jul 1. (105074) - PMC - PubMed
    1. Hollier L.P., Keelan J.A., Jamnadass E.S.L., Maybery M.T., Hickey M., Whitehouse A.J.O. Adult digit ratio (2D:4D) is not related to umbilical cord androgen or estrogen concentrations, their ratios or net bioactivity. Early Hum. Dev. 2015;91(2):111–117. Feb 1. - PubMed
    1. Voracek M., Kossmeier M., Tran U.S. Which data to meta-analyze, and how? A specification-curve and multiverse-analysis approach to meta-analysis. Zeitschrift Für Psychologie. 2019;227(1):64–82. doi: 10.1027/2151-2604/a000357. - DOI
    1. Wong W.I., Hines M. Interpreting digit ratio (2D:4D)–behavior correlations: 2D:4D sex difference, stability, and behavioral correlates and their replicability in young children. Horm. Behav. 2016;78:86–94. Feb 1. - PubMed
    1. Hilgard J., Engelhardt C.R., Rouder J.N., Segert I.L., Bartholow B.D. Null effects of game violence, game difficulty, and 2D:4D digit ratio on aggressive behavior. Psychol. Sci. 2019 Mar 7 doi: 10.1177/0956797619829688. Internet. [cited 2020 May 21]; Available from. - DOI - PubMed