Steve Stewart-Williams
@stevestuwill.bsky.social
Psychology, evolution, science. Author of "The Ape That Understood the Universe" (2018) and "Darwin, God and the Meaning of Life" (2010). https://www.stevestewartwilliams.com/
People vs. Things: Why Men and Women Choose Different Jobs
My latest post on Substack!
www.stevestewartwilliams.com/p/people-vs-...
My latest post on Substack!
www.stevestewartwilliams.com/p/people-vs-...
October 29, 2025 at 10:59 AM
People vs. Things: Why Men and Women Choose Different Jobs
My latest post on Substack!
www.stevestewartwilliams.com/p/people-vs-...
My latest post on Substack!
www.stevestewartwilliams.com/p/people-vs-...
"A massive UK study found that genes associated with earlier childbirth in women and higher BMI in men are being favored by natural selection. Meanwhile, genes associated with intelligence and educational attainment are being selected against."
www.stevestewartwilliams.com/p/12-things-...
www.stevestewartwilliams.com/p/12-things-...
September 26, 2025 at 11:03 PM
"A massive UK study found that genes associated with earlier childbirth in women and higher BMI in men are being favored by natural selection. Meanwhile, genes associated with intelligence and educational attainment are being selected against."
www.stevestewartwilliams.com/p/12-things-...
www.stevestewartwilliams.com/p/12-things-...
Survey: “How many unarmed Black men were killed by police in 2021?”
-40% of "Very Liberals": 1,000+
-16% of "Very Conservatives": 1,000+
-Actual number: 11
www.stevestewartwilliams.com/p/police-kil...
-40% of "Very Liberals": 1,000+
-16% of "Very Conservatives": 1,000+
-Actual number: 11
www.stevestewartwilliams.com/p/police-kil...
September 26, 2025 at 11:03 PM
Survey: “How many unarmed Black men were killed by police in 2021?”
-40% of "Very Liberals": 1,000+
-16% of "Very Conservatives": 1,000+
-Actual number: 11
www.stevestewartwilliams.com/p/police-kil...
-40% of "Very Liberals": 1,000+
-16% of "Very Conservatives": 1,000+
-Actual number: 11
www.stevestewartwilliams.com/p/police-kil...
"We’ve got good evidence, for instance, that prenatal testosterone helps explain why, on average, men are more aggressive than women, why they’re less parental, and why they’re more interested in things and less interested in people." www.stevestewartwilliams.com/p/testostero...
August 28, 2025 at 12:17 AM
"We’ve got good evidence, for instance, that prenatal testosterone helps explain why, on average, men are more aggressive than women, why they’re less parental, and why they’re more interested in things and less interested in people." www.stevestewartwilliams.com/p/testostero...
I’ll be discussing and defending the gametic definition of sex in my next book, A Billion Years of Sex Differences. x.com/hoovlet/stat...
Watch this space... www.stevestewartwilliams.com/p/books
Watch this space... www.stevestewartwilliams.com/p/books
August 6, 2025 at 9:04 PM
I’ll be discussing and defending the gametic definition of sex in my next book, A Billion Years of Sex Differences. x.com/hoovlet/stat...
Watch this space... www.stevestewartwilliams.com/p/books
Watch this space... www.stevestewartwilliams.com/p/books
Are humans still evolving? A new study looks at natural selection in modern Americans. It finds that genes associated with educational attainment are being selected against, while genes associated with depression, asthma, and earlier first birth are being favored.
[Link below.]
[Link below.]
July 30, 2025 at 11:51 PM
Are humans still evolving? A new study looks at natural selection in modern Americans. It finds that genes associated with educational attainment are being selected against, while genes associated with depression, asthma, and earlier first birth are being favored.
[Link below.]
[Link below.]
My all-time favourite example of survivorship bias.
From the Nature-Nurture-Nietzsche Linkfest for July 2025: "Survivorship Bias, the Myth of the Shrinking Middle Class, and What Men Will Do to Avoid Baldness"
www.stevestewartwilliams.com/p/survivorsh...
From the Nature-Nurture-Nietzsche Linkfest for July 2025: "Survivorship Bias, the Myth of the Shrinking Middle Class, and What Men Will Do to Avoid Baldness"
www.stevestewartwilliams.com/p/survivorsh...
July 26, 2025 at 7:11 PM
My all-time favourite example of survivorship bias.
From the Nature-Nurture-Nietzsche Linkfest for July 2025: "Survivorship Bias, the Myth of the Shrinking Middle Class, and What Men Will Do to Avoid Baldness"
www.stevestewartwilliams.com/p/survivorsh...
From the Nature-Nurture-Nietzsche Linkfest for July 2025: "Survivorship Bias, the Myth of the Shrinking Middle Class, and What Men Will Do to Avoid Baldness"
www.stevestewartwilliams.com/p/survivorsh...
“In some cases, activism attracts individuals with less than noble motives. According to one new study, this includes pathological narcissists, who use social-justice activism as a way to virtue signal and put themselves above other people.” www.stevestewartwilliams.com/p/ten-new-fi...
July 22, 2025 at 7:24 PM
“In some cases, activism attracts individuals with less than noble motives. According to one new study, this includes pathological narcissists, who use social-justice activism as a way to virtue signal and put themselves above other people.” www.stevestewartwilliams.com/p/ten-new-fi...
Fascinating: Most popular stand-alone personality traits used in psychology – self-esteem, grit, etc. – can be subsumed to the Big Five. www.stevestewartwilliams.com/p/five-trait...
July 11, 2025 at 9:34 PM
Fascinating: Most popular stand-alone personality traits used in psychology – self-esteem, grit, etc. – can be subsumed to the Big Five. www.stevestewartwilliams.com/p/five-trait...
12 Things Everyone Should Know About Behavior Genetics
1. All traits are partially heritable
www.stevestewartwilliams.com/p/12-things-...
1. All traits are partially heritable
www.stevestewartwilliams.com/p/12-things-...
July 3, 2025 at 10:04 PM
12 Things Everyone Should Know About Behavior Genetics
1. All traits are partially heritable
www.stevestewartwilliams.com/p/12-things-...
1. All traits are partially heritable
www.stevestewartwilliams.com/p/12-things-...
“Activists… argue that whites cannot be the victims of racism, or men the victims of sexism. Likewise, whether people can be victims of new offenses like cultural appropriation or microaggression, depends on their identity.” www.stevestewartwilliams.com/p/12-things-...
June 27, 2025 at 9:53 PM
“Activists… argue that whites cannot be the victims of racism, or men the victims of sexism. Likewise, whether people can be victims of new offenses like cultural appropriation or microaggression, depends on their identity.” www.stevestewartwilliams.com/p/12-things-...
The tendency to see oneself as a victim strongly predicts support for political violence. stevestewartwilliams.substack.com/p/12-things-...
June 26, 2025 at 2:05 AM
The tendency to see oneself as a victim strongly predicts support for political violence. stevestewartwilliams.substack.com/p/12-things-...
“Ironically, people who see themselves as victims often feel entitled to mistreat others.” www.stevestewartwilliams.com/p/12-things-...
June 24, 2025 at 11:26 PM
“Ironically, people who see themselves as victims often feel entitled to mistreat others.” www.stevestewartwilliams.com/p/12-things-...
“People with manipulative, narcissistic, or psychopathic tendencies sometimes weaponize victimhood: They exaggerate harm, fabricate grievances, and leverage sympathy to exploit others’ better nature.” www.stevestewartwilliams.com/p/12-things-...
June 23, 2025 at 9:56 PM
“People with manipulative, narcissistic, or psychopathic tendencies sometimes weaponize victimhood: They exaggerate harm, fabricate grievances, and leverage sympathy to exploit others’ better nature.” www.stevestewartwilliams.com/p/12-things-...
Psychologists have identified a personality trait they call the Tendency for Interpersonal Victimhood. It reflects a chronic sense of being wronged, and includes four key components: Need for recognition; moral elitism; lack of empathy; and rumination. www.stevestewartwilliams.com/p/12-things-...
June 21, 2025 at 2:13 PM
Psychologists have identified a personality trait they call the Tendency for Interpersonal Victimhood. It reflects a chronic sense of being wronged, and includes four key components: Need for recognition; moral elitism; lack of empathy; and rumination. www.stevestewartwilliams.com/p/12-things-...
12 Things Everyone Should Know About the Psychology of Victimhood www.stevestewartwilliams.com/p/12-things-...
June 21, 2025 at 1:55 PM
12 Things Everyone Should Know About the Psychology of Victimhood www.stevestewartwilliams.com/p/12-things-...
Research suggest that the "woke" worldview is associated with depression and anxiety. www.stevestewartwilliams.com/p/dividing-t...
June 21, 2025 at 1:52 PM
Research suggest that the "woke" worldview is associated with depression and anxiety. www.stevestewartwilliams.com/p/dividing-t...
"As I see it, evolutionary psychology is just regular psychology, but testing hypotheses derived from theories in evolutionary biology..."
My interview with Lionel Page for Optimally Irrational.
www.stevestewartwilliams.com/cp/153307795
My interview with Lionel Page for Optimally Irrational.
www.stevestewartwilliams.com/cp/153307795
June 19, 2025 at 11:57 AM
"As I see it, evolutionary psychology is just regular psychology, but testing hypotheses derived from theories in evolutionary biology..."
My interview with Lionel Page for Optimally Irrational.
www.stevestewartwilliams.com/cp/153307795
My interview with Lionel Page for Optimally Irrational.
www.stevestewartwilliams.com/cp/153307795
When Wokeness Kills: "Faced with clear data on how to save the most lives, health officials instead opted for a policy that sacrificed lives in the name of equity." www.stevestewartwilliams.com/p/when-woken...
June 19, 2025 at 11:16 AM
When Wokeness Kills: "Faced with clear data on how to save the most lives, health officials instead opted for a policy that sacrificed lives in the name of equity." www.stevestewartwilliams.com/p/when-woken...
New research suggests that chimpanzees exhibit cumulative cultural evolution - in other words, that they pass complex behaviors down through the generations, modifying and improving them over time. www.stevestewartwilliams.com/p/swearing-a...
June 17, 2025 at 1:08 PM
New research suggests that chimpanzees exhibit cumulative cultural evolution - in other words, that they pass complex behaviors down through the generations, modifying and improving them over time. www.stevestewartwilliams.com/p/swearing-a...
Many sex differences are larger, rather than smaller, in more gender-equal nations. What's going on? www.stevestewartwilliams.com/p/decoding-t...
June 17, 2025 at 10:15 AM
Many sex differences are larger, rather than smaller, in more gender-equal nations. What's going on? www.stevestewartwilliams.com/p/decoding-t...
A new preprint details a high-powered, multi-nation study that attempted to replicate the effect of stereotype threat on women’s math performance - and completely failed to do so. www.stevestewartwilliams.com/p/the-gender...
June 16, 2025 at 11:39 PM
A new preprint details a high-powered, multi-nation study that attempted to replicate the effect of stereotype threat on women’s math performance - and completely failed to do so. www.stevestewartwilliams.com/p/the-gender...
Sex Differences in Psychopathy
More men than women are psychopaths. Women are overrepresented at the low end of the psychopathy scale, while men are overrepresented at the high end.
www.stevestewartwilliams.com/p/the-latest...
More men than women are psychopaths. Women are overrepresented at the low end of the psychopathy scale, while men are overrepresented at the high end.
www.stevestewartwilliams.com/p/the-latest...
June 13, 2025 at 12:52 AM
Sex Differences in Psychopathy
More men than women are psychopaths. Women are overrepresented at the low end of the psychopathy scale, while men are overrepresented at the high end.
www.stevestewartwilliams.com/p/the-latest...
More men than women are psychopaths. Women are overrepresented at the low end of the psychopathy scale, while men are overrepresented at the high end.
www.stevestewartwilliams.com/p/the-latest...
Who's More Likely to Say Yes to an Offer of Sex From a Stranger, Men or Women? The answer may surprise you!
Just kidding; it won't.
www.stevestewartwilliams.com/p/whos-more-...
Just kidding; it won't.
www.stevestewartwilliams.com/p/whos-more-...
June 12, 2025 at 10:08 PM
Who's More Likely to Say Yes to an Offer of Sex From a Stranger, Men or Women? The answer may surprise you!
Just kidding; it won't.
www.stevestewartwilliams.com/p/whos-more-...
Just kidding; it won't.
www.stevestewartwilliams.com/p/whos-more-...
"Petsko and co. found no evidence of a motherhood penalty in worker evaluations. On the contrary, they uncovered a consistent parenthood boost. Parents of both sexes were rated as more competent, warmer, and more deserving of promotion than non-parents." www.stevestewartwilliams.com/p/is-the-mot...
June 12, 2025 at 1:42 PM
"Petsko and co. found no evidence of a motherhood penalty in worker evaluations. On the contrary, they uncovered a consistent parenthood boost. Parents of both sexes were rated as more competent, warmer, and more deserving of promotion than non-parents." www.stevestewartwilliams.com/p/is-the-mot...