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Hans Risselada 🟥

@hansrisselada.eurosky.social
307 followers 363 following 45 posts

Associate Professor of Marketing @unigroningen.bsky.social | Responsible marketing | Quant methods | Curious about donation, sustainability, behavior change & policy | System perspective | Mildly allergic to oversimplification.

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Reposted by Hans Risselada 🟥
RSPB @rspb.bsky.social · 29/06/2026
Juuust checking... nope, still Monday. #MondayMotivation
A young Great Spotted Woodpecker with a red crown peeks cautiously out from a hole in a tree, only part of its head and eye visible. Its expression looks wary and slightly resigned, as if checking on something it already knows it won’t like.
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 26/06/2026
Despite the extreme heat today, I went to @w-u-r.bsky.social to celebrate 60 years of Marketing and Consumer Behavior research, followed by the impressive inaugural lecture of Prof. Dr. Ilona de Hooge. Definitely worth the trip!
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Reposted by Hans Risselada 🟥
Gerry Carter @gerrycarter.bsky.social · 11/06/2026
I highly recommend this very clear, helpful and practical paper on statistical inference with marginaleffects package. I added it to my lab’s “required reading” list.
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 06/06/2026
Last day of #EMAC2026 done. Two solid sessions, a walk down from campus into Bath, and later a proper city walk through the downtown area, Herschel museum, logged a geocache along the way (nice multi!). And a great party to round it off. Good edition!! Heading home tomorrow.
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 05/06/2026
List of resources shared in the session : linktr.ee/marketing_op...
linktr.ee
marketing_open_science | Linktree
Linktree. Make your link do more.
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 05/06/2026
Starting Day 3 at #EMAC2026 with a panel discussion on open science practices in our field with @anamartinovici.bsky.social and others (not on Bluesky 🙂).
Five panel members and a moderator in front of a large projector screen.
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 04/06/2026
Next session! Curious to hear how colleagues are dealing with this challenge! #EMAC2026
Starter slide for a conference session on AI in marketing education.
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 04/06/2026
Now attending: Special Session - Second Lives: How Consumers Repair, Repurpose, and Recirculate Products! Full house! Great to see more research and interest for these topics at #EMAC2026
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 04/06/2026
Day two of #EMAC2026. Yesterday delivered: good session, interesting work on CRM and sustainability, and a reminder that presenting always clarifies your own thinking more than anything else. This morning starting with a session on open science practices! Superimportant!
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Reposted by Hans Risselada 🟥
De Filmende Fietser @filmendefietser.eurosky.social · 03/06/2026
"You can't buy happiness but you can buy a bike and that's pretty close!" Happy #WorldBicycleDay! 🔊
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 28/05/2026
Thanks! Just in time for my trip Groningen (NL) - Bath next week.
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 21/05/2026
Preparing my talk for #EMAC2026 about our project on behavioural spillover effects of plastic regulation changes. Looking forward to catching up with colleagues and exchanging ideas. First time in Bath, so any tips on things not to miss are welcome! #sustainabilitypolicy #consumerresearch
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Reposted by Hans Risselada 🟥
Julia M. Rohrer @dingdingpeng.the100.ci · 22/04/2026
Good news everyone 🥳 Our (w @vincentab.bsky.social) primer on models as prediction machines (with the marginaleffects package) is finally officially published!> journals.sagepub.com/doi/10.1177/...
journals.sagepub.com
Models as Prediction Machines: How to Convert Confusing Coefficients Into Clear Quantities - Julia M. Rohrer, Vincent Arel-Bundock, 2026
Psychological researchers usually make sense of regression models by interpreting coefficient estimates directly. This works well enough for simple linear model...
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 27/03/2026
Amazing picture!!
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 27/03/2026
@dvhn.nl Er is iets niet goeg gegaan, want er staan een paar vreemde zinnen in het midden van het artikel, zie screenshot.
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 13/03/2026
The New York Times seems to know me well, because I must admit I felt like a robot sometimes while grading last week... #AcademicSky
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 03/03/2026
Not as good as the real thing but highly recommended for your second screen if you have to do computer work #birding #nature #academiclife #BeleefDeLente www.vogelbescherming.nl/beleefdelente
vogelbescherming.nl
Beleef de Lente
Kijk live mee met de cams van Beleef de Lente. Geniet van vele ontroerend vogelmomenten.
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 17/02/2026
😂
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 21/01/2026
Great to see that the University of Groningen @rug.nl is working on this! ukrant.nl/magazine/we-...
ukrant.nl
We can do without them: how the UG is cutting ties with Big Tech
By 2030, the university aims to be digitally independent. And that’s not a pipe dream, say proponents of the plan.
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 12/12/2025
Tuesday, I joined about 7,500 colleagues in Amsterdam to strike and protest against the budget cuts in higher education. With a new coalition taking shape, it’s worrying how little attention education gets. Cutting education budgets is so short-sighted! #WOinActie
Protesters marching through Amsterdam.
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Reposted by Hans Risselada 🟥
Koen van den Driesche (Waddensky) @waddensky.nl · 30/11/2025
Vanaf januari organiseren we een nieuwe cursus Sterrenkijken voor iedereen! In vier avonden duik je in de wereld van sterren, planeten en sterrenbeelden. Meer weten? Kijk op www.waddensky.com/activiteiten... #cursus #sterrenkijken #sterrenhemel
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Reposted by Hans Risselada 🟥
NRC @nrc.nl · 04/12/2025
Dit demissionair kabinet voert ingrijpende onderwijsbezuinigingen door, zonder benodigd mandaat. Dat moet stoppen, zeggen Rens Bod, Remco Breuker en Ingrid Robeyns.
nrc.nl
Opinie | Hoe een mini-kabinet het hoger onderwijs sloopt
Dit demissionair kabinet voert ingrijpende onderwijsbezuinigingen door, zonder benodigd mandaat. Dat moet stoppen, zeggen Rens Bod, Remco Breuker en Ingrid Robeyns.
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 14/11/2025
Grant writing: done (for now). Back to grading and reviews, which—for now—feel oddly manageable. I’ll enjoy the illusion while it lasts.
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 09/05/2025
Glad the organizers brought in that range—because if we’re serious about sustainability, it’s not just individual choices that need to shift. The whole system has to. Also: a sharp, engaged audience. Lots of good questions. A great afternoon. (2/2) #AcademicSky
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 09/05/2025
Moderated the Sustainable Marketing event last Wednesday, organized by our study association Marug. Speakers from Circolide @thomasfreese.bsky.social, Hortus Botanicus Haren, and FIND shared perspectives from ⚛️ green chemistry, 🎓 environmental education, and ♻️ second-hand retail respectively. (1/2)
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 30/04/2025
Back from a 1-week cycling trip with the family. 🚴‍♂️🏕️ Two days later and it already feels like a distant dream— Grading ✔️ Staff meetings ✔️ Paper revisions ✔️ Grant proposal writing✔️ Academic pace: ruthless. Legs still recovering, brain catching up with the inbox. #AcademicLife
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 17/04/2025
Hier gaat mijn luisteraarshartje sneller van kloppen!
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 10/04/2025
Interesting piece (in Dutch) on the diffusion of Signal in the northern part of the Netherlands. Great teaching material for my lectures on diffusion models and social contagion!
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 09/04/2025
🎓 We're hiring for a PhD project on charitable giving—real data, field experiments, and long-term donor behavior. Supervised by Roelof Hars, @marijkeleliveld.bsky.social and me. ⏰ Deadline extended to April 13—applications are coming in, but you're not too late yet! shorturl.at/URoOu #AcademicSky
shorturl.at
Vacatures bij de RUG
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 09/04/2025
Academic life isn’t always inspiring, but watching early-career researchers challenge messy problems? That part’s pretty good.
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 09/04/2025
Yesterday at our own @unigroningen.bsky.social - FEB PhD conference, 2 of ‘my’ PhDs presented their work: 👣 One on behavioral spillover from sustainability policy shifts 👗 One on (un)sustainable fashion consumption (1/2)
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Reposted by Hans Risselada 🟥
Marijke Leliveld 🟥 @marijkeleliveld.bsky.social · 18/03/2025
almost ready to leave to the grote markt
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 18/03/2025
Sign ✅
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 18/03/2025
I am going on strike today to protest against the government's budget cuts on higher education. #DOEHETNIET
Flyer stating that I am going on strike today against the government's budget cuts on higher education.
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Reposted by Hans Risselada 🟥
WOinActie.bsky.social @woinactie.bsky.social · 17/03/2025
4500 mensen bij de staking aan de UvA! #WOinActie #DoeHetNiet
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 25/02/2025
This well-designed (in many ways) online course of @carlbergstrom.com and @jevinwest.bsky.social on LLMs is highly recommended! To the point, critical, and full of examples. Can't wait until all videos are available!
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 18/02/2025
Thanks for sharing! Excellent timing, because we were struggling with this issue and it's nice to have some structured way of dealing with prompting and model comparison.
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Reposted by Hans Risselada 🟥
Daniel 🕹️ @strengejacke.de · 18/02/2025
Print this out and put it on your pinboard! Most compact and at the same time clear and intuitive figure on possible associations between predictors and outcome (or variables). (source: journals.sagepub.com/doi/10.1177/..., by @dingdingpeng.the100.ci and @achatton.bsky.social)
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 29/01/2025
Interesting interview (in Dutch) about the role/dangers of Big Tech! Het Uur: Internetpionier Marleen Stikker over de gevaren van Big Tech | Het Uur Website van aflevering: art19.com/shows/het-uur Mediabestand: prfx.byspotify.com/e/op3.dev/e/...
art19.com
Het Uur
Wekelijks ontvangt presentator Pieter van der Wielen een toonaangevende gast uit een, voor deze tijd, belangrijk veld. Hoe staan zij in het leven? Wat zien zij als dé uitdagingen van deze tijd? En wat...
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Reposted by Hans Risselada 🟥
WOinActie.bsky.social @woinactie.bsky.social · 29/01/2025
Eppo sloopkogelt door. Een voorjaarsnota die voor academisch Nederland een ‘silent spring’ aankondigt. Welke universiteit valt straks als eerste om? neerlandistiek.nl/2025/01/sloo...
neerlandistiek.nl
Nog meer destructieve plannen van de minister
Verontrustend nieuws uit doorgaans welingelichte kring.
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Reposted by Hans Risselada 🟥
Jay Van Bavel, PhD @jayvanbavel.bsky.social · 12/12/2024
This is a good analysis explaining why the scientic migration to bluesky worked when it failed to take hold with mastadon, threads, or linkedin. The key is network effects: Moving an entire community is hard and people are reluctant to leaveit www.science.org/content/arti...
science.org
Like ‘old Twitter’: The scientific community finds a new home on Bluesky
After recent changes to Elon Musk’s X, a gradual migration turns into a stampede
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Reposted by Hans Risselada 🟥
Laurens Dassen @laurensdassen.voltnederland.org · 12/12/2024
Dit monsterverbond is nu verantwoordelijk voor een monsterbezuiniging. CDA, CU, SGP, JA21 maken zich gedoogpartner van dit PVV-kabinet en brengen daarmee grote schade aan, aan ons onderwijs en onze toekomst. Collega’s, doe dit niet.
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 11/12/2024
Again protesting against the proposed budget cuts. This time we gathered on our @unigroningen.bsky.social campus and blew our whistles for a full minute. Our message to the government was clear: Doe het niet (Don't do it)! #doehetniet @woinactie.bsky.social
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Reposted by Hans Risselada 🟥
WOinActie.bsky.social @woinactie.bsky.social · 11/12/2024
Waar kun je je stem laten horen en/of de regering terugfluiten? In elke universiteitsstad. Voor meer informatie: 2/2 woinactie.blogspot.com?m=1
woinactie.blogspot.com
WOinActie
WOinActie is een beweging van studenten en medewerkers en maakt zich sterk voor de universiteit en haar toekomst.
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Reposted by Hans Risselada 🟥
Marc van Oostendorp @fonolog.bsky.social · 04/12/2024
Nog steeds een onacceptabel compromis. Hopelijk houdt de oppositie de rug recht.
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 04/12/2024
Thanks for sharing—and for writing 😀—this insightful paper! It's an excellent resource for teaching our marketing (PhD) students (and sparking discussions with colleagues). #MarketingSky
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 25/11/2024
I made it to The Hague and there are many colleagues and students here! Stop the budget cuts!!
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Hans Risselada 🟥 @hansrisselada.eurosky.social · 25/11/2024
Voor de trein erna was er nog een seinstoring op Amersfoort Vathorst geregeld... Maar ook ik ben nog onderweg 😀
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Reposted by Hans Risselada 🟥
Simone Sprenger @simonesprenger.bsky.social · 21/11/2024
#WOinACTIE #Groningen
(English below)
#WOinACTIE
GRONINGEN
Een stapel boeken maakt helaas minder indruk dan een trekker. Reden te meer om maandag met z’n allen naar Den Haag te gaan.
An pile of books is unfortunately less impressive than a tractor. All the more reason to go all together to The Hague on Monday.
25 NOVEMBER | 13:00
Malieveld DEN HAAG
Image of a tractor
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