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Sven De Maeyer

@svawa

πŸŽ“ Professor statistics and measurement in education at #UAntwerpen πŸ’‘ Interest in Education for Sustainable Development, Bayesian analyses, Comparative Judgement, Reproducibility, and Open Science πŸ’» living in the #tidyverse at #R loving #brms

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17.01.2025
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Latest posts by Sven De Maeyer @svawa

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Socioloog Stijn Oosterlynck: β€œDe stad wijst ons de weg” De socioloog zoekt voor zijn Paul Verbraekenlezing in de stad naar een democratische toekomst.

β€œIn de stad schuilt een ander soort democratische politiek die meer aandacht verdient”, stelt socioloog @stijnoosterlynck.bsky.social.

Oosterlynck laat de stem van de stad vandaag horen in de twintigste Paul Verbraekenlezing.

15.03.2025 08:02 πŸ‘ 9 πŸ” 5 πŸ’¬ 0 πŸ“Œ 0
Achol Deng, an 8-year-old girl, was also infected with H.I.V. at birth and likewise remained alive because of American assistance. Then in January, Achol lost her ID card, and there was no longer a case worker to help get her a new card and medicines; she too became sick and died, said Labani.

Yes, this may eventually save money for United States taxpayers. How much? The cost of first-line H.I.V. medications to keep a person alive is less than 12 cents a day.

I asked Labani if he had ever heard of Musk. He had not, so I explained that Musk is the world’s wealthiest man and has said that no one is dying because of U.S.A.I.D. cuts.

β€œThat is wrong,” Labani said, sounding surprised that anyone could be so oblivious. β€œHe should come to grass roots.”

Another household kept alive by American aid was that of Jennifer Inyaa, a 35-year-old single mom, and her 5-year-old son, Evan Anzoo, both of them H.I.V.-positive. Last month, after the aid shutdown, Inyaa became sick and died, and a week later Evan died as well, according to David Iraa Simon, a community health worker who assisted them. Decisions by billionaires in Washington quickly cost the lives of a mother and her son.

Achol Deng, an 8-year-old girl, was also infected with H.I.V. at birth and likewise remained alive because of American assistance. Then in January, Achol lost her ID card, and there was no longer a case worker to help get her a new card and medicines; she too became sick and died, said Labani. Yes, this may eventually save money for United States taxpayers. How much? The cost of first-line H.I.V. medications to keep a person alive is less than 12 cents a day. I asked Labani if he had ever heard of Musk. He had not, so I explained that Musk is the world’s wealthiest man and has said that no one is dying because of U.S.A.I.D. cuts. β€œThat is wrong,” Labani said, sounding surprised that anyone could be so oblivious. β€œHe should come to grass roots.” Another household kept alive by American aid was that of Jennifer Inyaa, a 35-year-old single mom, and her 5-year-old son, Evan Anzoo, both of them H.I.V.-positive. Last month, after the aid shutdown, Inyaa became sick and died, and a week later Evan died as well, according to David Iraa Simon, a community health worker who assisted them. Decisions by billionaires in Washington quickly cost the lives of a mother and her son.

Generally not a fan of Nicholas Kristof but he's a sound person to track the deaths that Elon claims haven't occurred on his watch.

www.nytimes.com/interactive/...

15.03.2025 13:04 πŸ‘ 1359 πŸ” 569 πŸ’¬ 47 πŸ“Œ 32
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πŸ† Research integrity consultant and image forensics expert @elisabethbik.bsky.social has uncovered fraudulent data in over 7,600 scientific papers and exposed the practices of β€˜paper mills’ that produce counterfeit scientific articles. She is honoured with the €200K Individual Award. Congrats!

14.03.2025 22:14 πŸ‘ 497 πŸ” 118 πŸ’¬ 16 πŸ“Œ 10
Claude Malhuret,  Senator of the French Republic, speaks the truth about what is happening in the US
Claude Malhuret, Senator of the French Republic, speaks the truth about what is happening in the US YouTube video by Gregory Mullins

Here with subtitles:
www.youtube.com/watch?v=wmDV...

06.03.2025 07:29 πŸ‘ 22 πŸ” 17 πŸ’¬ 1 πŸ“Œ 1
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Audit trail qualitative interview study "Unraveling low-educated adults' motivation for second-chance education: a multidimensional perspective" Disclaimer The materials provided in this repository are licensed under the Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) license. This means that you are free to share, ...

The format we used for audit trailing can be accessed on #OSF via the following link osf.io/dtkxg/

27.02.2025 09:16 πŸ‘ 3 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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Unraveling low-educated adults' motivation for second-chance education: A multidimensional perspective Low-educated adults' participation in second-chance education (SCE) is often implicitly imposed, as an ISCED level 3 degree is required to have access…

Happy to share our new article on motivation of adult learners in second-chance education with @beamertens.bsky.social

We used an audit-trail to meet some open science principles!

www.sciencedirect.com/science/arti...

#open-access #L&I #QualitativeResearch #OpenSciene #OSF

27.02.2025 07:24 πŸ‘ 4 πŸ” 3 πŸ’¬ 3 πŸ“Œ 0
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#TodayinHistory #dataviz #OTD πŸ“Š
πŸ’€Feb 23, 1855 Johann Carl Friedrich Gauss died in GΓΆttingen, Germany πŸ‡©πŸ‡ͺ

In 1821 he proved least squares as best linear unbiased estimator& illustrated this with data on the French meridian arcs, from Dunkirk to Barcelona.
Scientific problems stimulated discoveries

22.02.2025 22:46 πŸ‘ 14 πŸ” 3 πŸ’¬ 1 πŸ“Œ 0
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Reviewer notes: Avoid any ambiguity about analysis aims For any central statistical analysis that you report in your manuscript, it should be absolutely clear for readers why the analysis is being conducted in the first place – that is, the analysis goal s...

New blog post!

Sometimes, when reviewing a manuscript, it's really unclear to me what precisely the authors are trying to do -- which makes it hard to evaluate the work properly.

So, here's some advice for how to ensure that readers don't get lost.
www.the100.ci/2025/02/17/r...

17.02.2025 14:04 πŸ‘ 112 πŸ” 38 πŸ’¬ 6 πŸ“Œ 10
Figure 1. Stephanie’s (Left) and April’s (Right) Paper Dolls From Initial Play.

Figure 1. Stephanie’s (Left) and April’s (Right) Paper Dolls From Initial Play.

This paper examines the ways that artful inquiry affords qualitative research students
newly creative and embodied opportunities to understand and engage with subjectivity
and biasβ€”important concepts in the eld of qualitative inquiry. Moving beyond the
inadequacy of traditional teaching practices, such as student-generated written sub-
jectivity statements, we share here an artful methodological approach using paper dolls
to disrupt conventional engagements with these concepts. Inspired by Donna
Haraway’s emphasis on layer(ing)s of subjectivity and Karen Barad’s discussion of
cutting together-apart as a creative process, we draw from collaging in/as research to
offer this paper doll activity as a constructive and disruptive way to invite students to
consider themselves as complex, messy, and inevitable aspects of the research process.

This paper examines the ways that artful inquiry affords qualitative research students newly creative and embodied opportunities to understand and engage with subjectivity and biasβ€”important concepts in the eld of qualitative inquiry. Moving beyond the inadequacy of traditional teaching practices, such as student-generated written sub- jectivity statements, we share here an artful methodological approach using paper dolls to disrupt conventional engagements with these concepts. Inspired by Donna Haraway’s emphasis on layer(ing)s of subjectivity and Karen Barad’s discussion of cutting together-apart as a creative process, we draw from collaging in/as research to offer this paper doll activity as a constructive and disruptive way to invite students to consider themselves as complex, messy, and inevitable aspects of the research process.

Check out "A Layering of Selves: Bias, Subjectivity, and Paper Dolls," a more #creative and #fun way for #qualitative #students to explore #subjectivity, #positionality, & #bias. FREE access:
journals.sagepub.com/doi/10.1177/... #highered #research #PhDSky #AcademicSky #HigherEdSky #methodology

17.02.2025 15:49 πŸ‘ 12 πŸ” 4 πŸ’¬ 0 πŸ“Œ 1
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Royal Society will meet amid campaign to revoke Elon Musk’s fellowship More than 1,300 scientists have signed a letter calling on the world’s oldest science society to reassess the billionaire’s membership following cuts to US science.

β€œCurry’s letter describes β€œan assault on scientific research…huge cuts in funding & regime of censorship (particularly with regard to equity, diversity & inclusion & climate) that is a direct threat to freedom of expression & academic freedom. These actions contravene the society’s code of conduct”

14.02.2025 08:40 πŸ‘ 34 πŸ” 11 πŸ’¬ 0 πŸ“Œ 2

Isn’t pivot_longer doing the job?

13.02.2025 17:44 πŸ‘ 1 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
De Staat Van Ons Onderwijs Over Zelfregulerend Leren In Het Hoger Onderwijs

πŸŽ™οΈ De Staat van ons Onderwijs over Zelfregulerend leren
Hoe ondersteun je als docent studenten bij hun zelfregulerend leren? Ik spreek met Sabrina Govaerts & Astrid Koelman (Kenniscentrum OLLI, AP Hogeschool) over hun tool voor docenten HO.
🎧 Luister hier: www.mixcloud.com/peter-vp/de-...

11.02.2025 18:21 πŸ‘ 2 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
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Musk Team Scrutinizes Education Department Operations The engagement is the latest sign of the billionaire’s expanding influence across the government, which already stretches into more than half a dozen agencies.

Ondertussen in de V.S.
www.nytimes.com/2025/02/04/u...

05.02.2025 05:23 πŸ‘ 1 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0
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I#LoveMethodsWeek25 is happening this year! We are hosting a workshop!
Sign up for our workshop here: https://buff.ly/40SG1Jn
Check out other events here: https://buff.ly/40Axc5u

03.02.2025 17:16 πŸ‘ 3 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0
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You may have heard of Questionable Research Practices and "HARKing" as threats to replicability.

In a new paper led by @sakshighai.bsky.social, we argue that a similar practices -- Questionable Generalizability Practices and "MASKing" -- undermine generalizability.

www.nature.com/articles/s44...

30.01.2025 18:34 πŸ‘ 47 πŸ” 24 πŸ’¬ 2 πŸ“Œ 2
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CDC removal of databases on sexual orientation, gender identity sparks alarm Data from an expansive federal survey on youth behavioral habits, including their sexual orientation and gender identity, have been removed from the website of the CDC.

So hard to imagine reading this anno 2025

www.statnews.com/2025/01/31/c...

01.02.2025 08:27 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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Which findings should we replicate? Isager et al propose a 'replication value', defined as the maximum expected utility gain when conducting a replication. It is a function of (1) the value of being certain about the claim, and (2) uncertainty about the claim. osf.io/preprints/me...

31.01.2025 20:27 πŸ‘ 15 πŸ” 3 πŸ’¬ 0 πŸ“Œ 0
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Double-blind peer review is detrimental to scientific integrity Abstract. I make six arguments for why double-blind peer review practices increase vulnerability to scientific integrity lapses over more transparent peer

πŸ” Is double-blind peer review really the gold standard for scientific integrity? Christopher Mebane argues it may actually obscure bias and data, risking the rigor of research. Transparency, he claims, is key to safeguarding science. πŸ§ͺ #ScienceIntegrity #PeerReview

doi.org/10.1093/etoj...

31.01.2025 01:56 πŸ‘ 7 πŸ” 6 πŸ’¬ 1 πŸ“Œ 3

Very interesting paper on the double-blind peer-review system!

I am curious about your thoughts on this topic

31.01.2025 06:32 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
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RDNL consortium to work on training platform for data professionals | Open Science NL Over the next four years, the Research Data Netherlands (RDNL) consortium will both strengthen the profession of data professionals in the Netherlands and expand their skills and competences. To this ...

Today, the RDNL consortium launches a 4-year project to create a training platform that will strengthen the NL community of data stewards. Open Science NL has granted 4.8 million euros for the development of the platform: www.openscience.nl/en/news/rdnl...

30.01.2025 08:03 πŸ‘ 14 πŸ” 9 πŸ’¬ 1 πŸ“Œ 4
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Three experiments in LLM code assist with RStudio and Positron - Tidyverse We've been experimenting with LLM-powered tools to streamline R data science and package development.

New on the tidyverse blog: reflecting on 3 LLM-based tools I've worked on recently to aid my work on #rstats packages and data science projectsπŸ€–

www.tidyverse.org/blog/2025/01...

29.01.2025 16:09 πŸ‘ 63 πŸ” 13 πŸ’¬ 1 πŸ“Œ 0

This has grown a fair bit since I last posted about it. go.bsky.app/Qg6YSq6

29.01.2025 17:46 πŸ‘ 35 πŸ” 9 πŸ’¬ 1 πŸ“Œ 0
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Powerful Myths: Common Misconceptions About Statistical Power Lukas Lengersdorff and Claus Lamm discuss three misconceptions that stand in the way of an informed discussion.

Three Myths About Statistical Power

πŸ”ΉοΈ Myth 1: Power is an objective feature

πŸ”ΉοΈ Myth 2: With low power comes low credibility

πŸ”ΉοΈ Myth 3: High power protects against questionable research practices

BSky author: @clauslamm.bsky.social

29.01.2025 19:09 πŸ‘ 81 πŸ” 21 πŸ’¬ 5 πŸ“Œ 2

I think this assumption of infinite populations is not in there. In your model you can assume variation between stimuli regardless of there is a finite or infinite population of stimuli. I might be wrong of course. Moreover, inference works different there, not relying on estimated standard errors

29.01.2025 08:20 πŸ‘ 0 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

What would happen in the Bayesian realm? To be clear, I do not know myself nor did I wrap my head around it. Just a spontaneous thought.

29.01.2025 07:30 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

Zeer boeiende bijdrage. Heb hier opnieuw wat uit opgestoken.

28.01.2025 06:45 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0
De Staat Van Ons Onderwijs Over Weerbaarheid Tegenover Nepnieuws Over Klimaatverandering

🌍 Hoe maak je jongeren weerbaar tegen klimaat-nepnieuws? In deze aflevering van 'De Staat van ons Onderwijs' bespreek ik met Leen Bisschop #OdiseeHogeschool hoe wetenschappelijke geletterdheid en reflectieve dialogen jongeren helpen kritisch te denken.
🎧 Luister nu!
www.mixcloud.com/peter-vp/de-...

27.01.2025 19:52 πŸ‘ 1 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0
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πŸ“Š Check out the updated list of #Predatory journals! Now in a convenient spreadsheet format with 2,776 records. #AcademicIntegrity #ResearchEthics

docs.google.com/spreadsheets...

27.01.2025 13:26 πŸ‘ 11 πŸ” 5 πŸ’¬ 1 πŸ“Œ 1

Thx for sharing!

Great paper that every quantitative researcher should read (multiple times)!

27.01.2025 14:41 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0