williamcostello.bsky.social - Profile | ThreadSky | a Reddit-style client for Bluesky

Dr. Norm Li delivers #HBES2025 plenary #5, applying a life history framework to declines in fertility worldwide. Li reviews several known sources of fertility decline but calls attention to a potentially underappreciated factor: evolutionary mismatch.

submitted 10 days ago • 0 comments

In his #HBES2025 plenary, Norm Li presents a series of experiments providing evidence that exposure to some modern challenges --climbing modern status ladders, economic uncertainty, & population density--induces shifts toward slower reproductive strategies

submitted 10 days ago • 0 comments

A decimation of the caricature of evolutionary psychology that Red Pill Manosphere gurus appeal to. Myself and other graduate students, regularly challenge this in our publications and online (i.e., the only place we'll change any of their followers minds). datepsychology.com/rollo-tomass...

submitted 48 days ago • 0 comments

I’ll be busy on the Saturday of @humbehevosoc.bsky.social I'm on a panel on Evolutionary Perspectives on Singlehood & Giving a talk on our data showing that in Cross-Sex Friendships: Men (But Not Women) Put Their Money Where Their Mating Motivations Are. docs.google.com/document/d/1...

submitted 27 days ago • 0 comments

. @humbehevosoc.bsky.social members, I will always advocate for you and our field no matter what, but I would love your vote so that I could do so in an official capacity as student representative! Go to the HBES website to vote or follow instructions in your email.

submitted 27 days ago • 0 comments

My very personal story about how I discovered evolutionary psychology. podcasts.apple.com/us/podcast/e...

submitted 21 days ago • 0 comments

🔥🔥🔥 "understanding the human mind will require eventually understanding the evolutionary psychology of psychologists"

submitted 21 days ago • 0 comments

A new podcast, @epthepod.bsky.social: Actual evolutionary psychology by actual evolutionary psychologists. In the first two episodes, the hosts, @davidpinsof.bsky.social and @dpietra.bsky.social, interview each other 🧪 www.youtube.com/@Evolutionar...

submitted 21 days ago • 0 comments

If you haven't checked out the list of talks for #HBES2025, it's available online: stockton.edu/human-behavi... Lots of great talks and plenaries coming!

submitted 21 days ago • 0 comments

Want to attend #HBES2025, but can’t in person? Stockton University can provide online access for $30/members, $60/non-members. (This is usually way too costly to provide.) To register: stockton.edu/human-behavi...

submitted 21 days ago • 0 comments

Can’t wait to share some exciting new work at #HBES2025! Join me for my talk: “Is Mate Choice Predictable? Using Agent-Based Modeling to Prospectively Predict Successful Blind Dates” 🗓️ Thursday, June 5 ⏰ 10:50 AM Check out my abstract below ⬇️

submitted 21 days ago • 1 comment

The number of adult virgins is at a record high. Many of these folks would like to be having sex, but cannot find a partner--they are involuntarily celibate. In today's show, we're diving into the psychology of incels with @williamcostello.bsky.social www.sexandpsychology.com/blog/podcast...

submitted 25 days ago • 0 comments

Fellow Celt (Welsh) and colleague Andrew Thomas pushing in on my Irish media turf! 😂 Great writeup on what he's learned about incels from our research and his own experience at the coalface of counselling incel clients. m.independent.ie/opinion/comm...

submitted 25 days ago • 0 comments

🚨New WP🚨 Can AI do "deep canvassing"—the time-intensive, empathic persuasive dialogues that durably reduce prejudice when done by humans? Spoiler: Yes! We find durable reduction in prejudice toward undocumented immigrants LLMs make deep canvassing possible at massive scale osf.io/preprints/os...

submitted 27 days ago • 3 comments

🚨 New publication 🚨 Out now and open access in Archives of Sexual Behavior. The Dual Pathways Hypothesis of Incel Harm: A Model of Harmful Attitudes and Beliefs Among Involuntary Celibates 🧵 link.springer.com/article/10.1...

submitted 26 days ago • 1 comment

"Results indicate a gap between fertility desires & intentions, with a significant proportion of men & women 35–45yr desiring more children but not intending to follow up on their desires...gap is higher among those close to the end of their reproductive careers, facing infertility barriers & women"

submitted 27 days ago • 0 comments

Looking forward to @humbehevosoc.bsky.social conference next month! Although clearly hyperbolic, this iconic line from When Harry Met Sally speaks to a real insight. I’ll be presenting new findings that add to growing evidence that mating motivations often underlie cross-sex friendships.

submitted 46 days ago • 1 comment

"good sociological theories must be compatible with good psychological theories, which in turn must be compatible with good biological theories, which must be compatible with good chemical theories, which must be compatible with good theory from physics"

submitted 39 days ago • 0 comments

🧵New paper out in Cognition Why do people moralize harmless carnal sins (e.g. gluttony, masturbation)? @danielnettle.bsky.social & I find that these behaviors activate reciprocity-based moral judgment—no need for a distinct "purity" module. 50 days free link: authors.elsevier.com/a/1l18D2Hx2-...

submitted 42 days ago • 4 comments

“Birth rates would sky rocket if girls wore this at home instead of some oversized homeless core outfit,” a tweet that's going viral says. I beg to differ! www.huffpost.com/entry/linger...

submitted 39 days ago • 3 comments

Newly Published: @ygirme.bsky.social & Overall examined how feeling loved and connected in a relationship can reduce attachment insecurity over time, using two long-term studies. doi.org/10.1177/0265... #AcademicSky #Psychology #SocialPsychology #FamilySci #ResearchPublishing

submitted 36 days ago • 0 comments

"Although fewer women apply for tenure-track jobs, those who do apply are more likely to be interviewed and more likely to get offered the job... These findings run directly counter to the claim that women are discriminated against in STEM hiring." www.stevestewartwilliams.com/p/rethinking...

submitted 35 days ago • 0 comments

❗Want to know what W+EBS is all about now? ❗ Check out our updated remit: docs.google.com/document/d/1... 💭 Got ideas for what we should do next? Submit suggestions here: docs.google.com/forms/d/e/1F... #WplusEBS #InclusiveScience #EvolutionaryBehavioralSciences

submitted 36 days ago • 0 comments

"Williams and Ceci sent fake job applications to more than 800 faculty members in engineering, economics, biology, and psychology... As shown in the graph below, faculty expressed a strong preference for the female candidates - a 2:1 preference overall." www.stevestewartwilliams.com/p/rethinking...

submitted 34 days ago • 0 comments

"people who are more dissatisfied with their own lives are less likely to expect a child" [US] www.emerald.com/insight/cont...

submitted 33 days ago • 0 comments

First Episode arrives May 20th. epthepod.podbean.com www.youtube.com/@Evolutionar...

submitted 33 days ago • 0 comments

🔥🔥🔥 "Actual evolutionary psychology by actual evolutionary psychologists. Hosted by Dave Pietraszewski and David Pinsof. Every week, Dave and David bring cutting-edge work in the evolutionary behavioral sciences to you."

submitted 32 days ago • 0 comments

Contrary to the popular perception that feminists dislike men, the average feminist is about as positive about men as the average non-feminist – and no more negative about men than the average man. www.stevestewartwilliams.com/p/three-inte...

submitted 32 days ago • 0 comments

"Academics and journalists shine a spotlight on studies that appear to show bias against women, while downplaying - or simply ignoring - studies that don’t. The result is a distorted view of what the science actually shows." www.stevestewartwilliams.com/p/rethinking...

submitted 32 days ago • 0 comments

. @humbehevosoc.bsky.social members, I will always advocate for you and our field no matter what, but I would love your vote so that I could do so in an official capacity as student representative! Go to the HBES website to vote or follow instructions in your email.

submitted 27 days ago • 0 comments

Women Are Judged More Positively at Work Than Men ...and they're probably worse off for it. My latest post on Substack! www.stevestewartwilliams.com/p/women-are-...

submitted 31 days ago • 0 comments

I’ll be busy on the Saturday of @humbehevosoc.bsky.social I'm on a panel on Evolutionary Perspectives on Singlehood & Giving a talk on our data showing that in Cross-Sex Friendships: Men (But Not Women) Put Their Money Where Their Mating Motivations Are. docs.google.com/document/d/1...

submitted 27 days ago • 0 comments

Friendly advice to haters of evolutionary psychology: (1) read Al-Shawaf's four-part primer: www.psychologytoday.com/us/blog/six-... (2) subscribe to Pietraszewski & Pinsof's podcast: www.youtube.com/shorts/CBjJ3... (3) subscribe to Bering's Substack: beringinmind.substack.com/about

submitted 29 days ago • 2 comments

The sexualization of female breasts is often attributed to modesty norms (i.e., they're alluring because they're hidden). However, research finds no differences in men's arousal to breasts based on exposure to toplessness during youth. link.springer.com/article/10.1...

submitted 29 days ago • 0 comments

"The numbers tell us these lessons don’t improve mental health. The qualitative data tells us that many young people don’t like or want them. We need to listen." @lucyfoulkes.bsky.social www.theguardian.com/commentisfre...

submitted 28 days ago • 1 comment

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submitted 28 days ago • 0 comments

"What has emerged is that a lot of psychological behavioral sex differences preferences and so forth are actually becoming larger as countries become more egalitarian wealthier and healthier"

submitted 28 days ago • 0 comments

New episode (1092), with Dr. Mads Larsen. We talk about his book, Stories of Love from Vikings to Tinder: The Evolution of Modern Mating Ideologies, Dating Dysfunction, and Demographic Collapse. #Science YouTube: youtu.be/r2uXlZBl1uM Podcast: bit.ly/4cZF9Xy

submitted 46 days ago • 0 comments

We know that moms say that "baby looks like daddy", but it turns out they also say that "fetus looks like daddy!" Read Carlota Batres' discussion of her latest research in the HBES blog: www.hbes.com/investigatin... Or read the original article in E&HB: doi.org/10.1016/j.ev...

submitted 51 days ago • 0 comments

Looking forward to @humbehevosoc.bsky.social conference next month! Although clearly hyperbolic, this iconic line from When Harry Met Sally speaks to a real insight. I’ll be presenting new findings that add to growing evidence that mating motivations often underlie cross-sex friendships.

submitted 46 days ago • 1 comment