A recently published study strongly suggests men succumb¹ to（屈服于） sexual temptations more than women -- for example, cheating on a partner -- because they experience strong sexual impulses, not because they have weak self-control. Previous research has shown that men are more likely than women to pursue romantic partners that are "off limits." However, until now, the explanation for this sex difference was largely unexplored.

 

One possible explanation for this effect is that men experience stronger sexual impulses than women do. A second possibility is that women have better self-control than men. The current study's results support the former explanation and provide new insight into humans' evolutionary² origins.

 

"Overall, these studies suggest that men are more likely to give in to sexual temptations because they tend to have stronger sexual impulse strength than women do," says Natasha Tidwell, a doctoral student in the Department of Psychology³ at Texas A&M University, who authored the study. Paul Eastwick, assistant professor in the Department of Human Development and Family Sciences at The University of Texas at Austin, co-authored the study.

 

"But when people exercise self-control in a given situation, this sex difference in behavior is greatly reduced. It makes sense that self-control, which has relatively⁴ recent evolutionary origins compared to sexual impulses, would work similarly -- and as effectively -- for both men and women," Tidwell said.

 

Recently published in Personality and Social Psychology Bulletin, the study was composed of two separate experiments: the first, to determine how the sexes reacted to real-life sexual temptations in their past and, the second, to pick apart sexual impulses and self-control using a rapid-fire reaction time task.

 

In order to test their first hypothesis, researchers recruited 218 (70 male, 148 female) study participants from the United States.

 

Participants were first asked to recall and describe an attraction to an unavailable or incompatible⁵ member of the opposite sex. They then answered survey questions designed to measure strength of sexual impulse, attempts to intentionally⁶ control the sexual impulse, and resultant behaviors.

 

"When men reflected on their past sexual behavior, they reported experiencing relatively stronger impulses and acting⁷ on those impulses more than women did," says Tidwell.

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