Jeff Stevens

Jeff Stevens

@jeffreyrstevens.com

Professor of Psychology at @unlincoln.bsky.social Lead the Canine Cognition and Human Interaction Lab @unlcchil.bsky.social Co-direct the ManyDogs Project @manydogsproject.bsky.social Data science mentor at @Posit.co. #RStats #OpenScience he/him

1K followers586 following58 posts

Jeff Stevens reposted

Since Google revealed its plans for an AI search overhaul, visits to our "No AI" search page have tripled…and they’re still rising! Want to make it your default on Chrome or Firefox? Grab our No-AI extensions and banish AI-assisted answers, chat, and AI images. (1/3)

Jeff Stevens reposted

Wayne Maddison (waynemaddison.bsky.social), professor emeritus at UBC, captured this video of a nearly transparent jumping spider (tribe Amycini) from Canandé Reserve, Ecuador. Look closely & you'll see the principal eyes moving as it scans the area visually. Let's talk about spider-vision! 🕷️🧪

Jeff Stevens reposted

The prize that could make ‘talking to the animals’ a reality Scientists are decoding the chirps, squeaks and calls of finches, bonobos and more in pursuit of a $10m award aimed at understanding how animals communicate, James Tapper reports https://bit.ly/4nDelSF

bit.lyThe prize that could make ‘talking to the animals’ a realityScientists are decoding the chirps, squeaks and calls of finches, bonobos and more in pursuit of a $10m award aimed at understanding how animals communicate

Jeff Stevens reposted

New blog post: There are 13 ways to analyse a replication study, but only one of them is coherent. Where I explain (based on our own recent preprint) why the SCORE project was right to focus on "p < .05 + similar effect size" when reporting the results. daniellakens.blogspot.com/2026/05/ther...

daniellakens.blogspot.comThere are 13 ways to analyse a replication study, but only one of them is coherent.Paul Simon’s says there are 50 ways to leave your lover, and a similar abundance characterizes the contemporary literature on how to analyse...

Jeff Stevens reposted

Jeff Stevens reposted

Jeff Stevens reposted

Jeff Stevens reposted

I’m advertising two position options (PhD/postdoc) within my lab - take a look below if you’re interested or send me a message ☺️ @uni-konstanz.de

IMPRS-QBEE@imprs-qbee.bsky.social

One of our IMPRS Faculty Members, @heesenr.bsky.social , is currently looking for applications. Please follow this link for more information: imprs-qbee.mpg.de/125923/docto...

Jeff Stevens reposted

Wrote a new blogpost on how to use Claude Code to help generate alt text in quarto projects. alt text is very valuable and should always be a priority, AI agents help you get 90% of the way there! emilhvitfeldt.com/post/claude-... #quarto

emilhvitfeldt.comAdding alt text to figures in quarto with Claude CodeAlt text is a very important thing to make sure you do right when making websites. Using AI agents such as Claude Code can help with a lot of the heavy lifting.

Jeff Stevens reposted

One of the questions in our @rainbowr.org 📊 workshop, was "could you make the beeswarm chart interactive?" 🐝 The answer is "yes, you can" and here's how: nrennie.rbind.io/blog/interac... #RStats #DataViz #ggplot2 #VisLGBTQ

nrennie.rbind.ioInteractive beeswarm charts in R – Nicola RennieInteractive beeswarm charts are a great way to show distributions whilst still allowing users to see individual data points. This blog post shows how to make them entirely in R.
Nicola Rennie@nrennie.bsky.social

Inspired by #TidyTuesday & LGBTQ+ History Month myself and @kenglish.bsky.social are challenging people to produce visualisations using UK census data on LGBTQ+ people 📊 Share your #DataViz and code via GitHub or on here using #VisLGBTQ Here's one we made in today's @rainbowr.org workshop 🐝

Jeff Stevens reposted

New article out exploring great ape name recognition! We find partial evidence that zoo-living chimps & bonobos know each other's names 👀 Huge thanks to Animal Behavior and Cognition (a great open-access journal) & co-authors for your collaboration!🎉🐵 unsvr1.com/web/abc/work...

unsvr1.comDo Great Apes Know Each Other's Names? Probing Great Ape Comprehension of Social Vocal Labels — Animal Behavior and Cognition

Jeff Stevens reposted

Jeff Stevens reposted

I love R for everything statistics, but I've always been a little jealous of statisticians using SPSS Complex Samples or SAS SURVEYSELECT to design their samples. So I decided to build samplyr, a tidy and pipe-friendly grammar for survey sampling design in #rstats. dickoa.gitlab.io/samplyr/inde...

github.comGitHub - dickoa/samplyr: A Tidy Grammar for Survey SamplingA Tidy Grammar for Survey Sampling. Contribute to dickoa/samplyr development by creating an account on GitHub.

Jeff Stevens reposted

📢 Preprint alert TD;LR 🐶 ❤️ 🟨 We replicated methods from Roy et al. (2025) who studied color preferences in free-ranging #dogs in India. We replicated their results, finding that young pet dogs in the US also prefer the color 💛yellow💛.

PsyArXivBot@psyarxivbot.bsky.social

Color preferences in dogs: A replication study: https://osf.io/v8phx

Jeff Stevens reposted

Jeff Stevens reposted

New dog paper out! 📢 #CanineScience We used 2 timepoints of behavioral testing, a population pedigree, and genome-wide sequence data to estimate the heritability of various cognitive & behavioral traits in a population of assistance dogs. 🐕‍🦺🧬 royalsocietypublishing.org/rsos/article...

royalsocietypublishing.orgCharacterizing the heritability of cognitive and behavioural traits across development in domestic dogsAbstract. In humans, many behavioural and cognitive traits are moderately-to-highly heritable, with cognitive measures tending to increase in heritability

Jeff Stevens reposted

dplyr 1.2.0 is out now and we are SO excited! - `filter_out()` for dropping rows - `recode_values()`, `replace_values()`, and `replace_when()` that join `case_when()` as a complete family of recoding/replacing tools These are huge quality of life wins for #rstats! tidyverse.org/blog/2026/02...

tidyverse.orgdplyr 1.2.0dplyr 1.2.0 fills in some important gaps in dplyr's API: we've added a new complement to `filter()` focused on dropping rows, and we've expanded the `case_when()` family with three new recoding and re...

Jeff Stevens reposted

After years of working with Gifted dogs, this paper marks the end of that chapter for me 🐕 We compared gifted and typical dogs and found that what sets gifted dogs apart may not be curiosity, but their social motivation Grateful to the dogs and their humans 💙 link.springer.com/article/10.1...

link.springer.comToy exploration in gifted word learner dogs and typical dogs - Animal CognitionLabelling has a pronounced effect on increasing infants’ attention to objects. At the same time, infants actively seek social cues when presented with novel objects and early signs of communicative in...

Jeff Stevens reposted

Attention folks in the weather, climate, disaster, wildfire, and Earth science communities: NSF has just published a new "Dear Colleague" letter inviting feedback (by Mar 13) on the proposal to dismantle the National Center for Atmospheric Research (NCAR). www.nsf.gov/funding/...

Jeff Stevens reposted

Do you use SEM because it looks cleaner? SEM vs. SD = one of the most quietly damaging figure-making habits in biology Let’s clear it up (a thread)

Jeff Stevens reposted

Internships are now available with the Cornish Jackdaw Project! 🐦‍⬛ Duties will include assisting with nest monitoring, bird ringing, data entry, and the potential to help with ongoing research projects.

Jeff Stevens reposted

Replying to @aman.bh

You can specify relative position in ggplot with I(x) I(y). E.g. annotate("text", x = I(.5), y = I(.5), label = "hello!") will place the text in the middle of the plot. This, combined with alignment arguments is like 87% of the magic for me.

Jeff Stevens reposted

To anyone who is on the job market in Statistics this academic year: the George Mason University (GMU) Department of Statistics is hiring for open-rank, tenure-track or tenured positions! For full consideration, apply by January 14 at this link: tinyurl.com/6mjs8fye

tinyurl.comOpen-Rank, Tenured/Tenure-Track Statistics Faculty - Fairfax, VA, Virginia, United StatesDepartment: Col of Engineering and Computing Classification: 9-month Instructional Faculty Job Category: Instructional Faculty Job Type: Full-Time Work Schedule: Full-time (1.0 FTE, 40 hrs/wk) Locatio...

Great interview! And there's still time to grab a copy as a Christmas present!

Zazie Todd PhD@zazietodd.bsky.social

I interviewed @alisonpstevens.bsky.social about her book Detective Dogs: How Working Dogs Sniff Out Invasive Species. It's a fascinating (and fun) account of the work of conservation dogs and would make a great gift for kids. www.companionanimalpsychology.com/2025/12/an-i...