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Retricted access

Research article

First published 2005-9

Psychological and Physiological Adaptations to Sperm Competition in Humans

Todd K. Shackelford, Nicholas Pound, Aaron T. Goetz

Review of General Psychology

Retricted access

Research article

First published 2007-2

Adaptation to Sperm Competition in Humans

Todd K. Shackelford, Aaron T. Goetz

Current Directions in Psychological Science

Open access

Research article

First published 2015-12

Sperm Competition Risk and Sexual Coercion Predict Copulatory Duration in Humans

Nicole Barbaro, Michael N. Pham, Todd K. Shackelford

Evolutionary Psychology

Open access

Research article

First published 2023-1

Sperm Competition Risk: The Connections That Partner Attractiveness and Infidelity Risk Have with Mate Retention Behaviors and Semen-Displacing Behaviors

Gavin Vance, Virgil Zeigler-Hill, Todd K. Shackelford

Evolutionary Psychology

Retricted access

Research article

First published 2007-9

Learning Effects on Sperm Competition and Reproductive Fitness

R. Nicolle Matthews, Michael Domjan, Mary Ramsey [...]

Psychological Science

Open access

Research article

First published 2004-1

Semen Displacement as a Sperm Competition Strategy in Humans

Gordon G. Gallup, Rebecca L. Burch

Evolutionary Psychology

Open access

Research article

First published 2018-1

Do Men Produce Higher Quality Ejaculates When Primed With Thoughts of Partner Infidelity?

Michael N. Pham, Nicole Barbaro, Andrew M. Holub [...]

Evolutionary Psychology

Open access

Research article

First published 2017-6

Husband’s Reaction to His Wife’s Sexual Rejection Is Predicted by the Time She Spends With Her Male Friends but Not Her Male Coworkers

Tara DeLecce, Nicole Barbaro, Derek Mohamedally [...]

Evolutionary Psychology

Open access

Research article

First published 2013-4

Is Cunnilingus-Assisted Orgasm a Male Sperm-Retention Strategy?

Michael N. Pham, Todd K. Shackelford, Yael Sela [...]

Evolutionary Psychology

Open access

Research article

First published 2013-12

Oral Sex,Semen Displacement,and Sexual Arousal: Testing the Ejaculate Adjustment Hypothesis

Michael N. Pham, Todd K. Shackelford, Lisa L. M. Welling [...]

Evolutionary Psychology

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