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However, it does raise questions about some existing taken-for-granted's in educational research, which in itself is helpful and a reason to do more studies using non-linear models like this one.

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Instructional practices was operationalised through the German three-factor model, with cognitive activation the main measure. My view is that this model doesn't work (the findings are very inconsistent across studies), and this may be another factor.

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Does this mean we need to jettison the existing model? Not quite yet. There are a number of limitations in the PISA-TALIS linked dataset. Leadership was conceptualised as distributed and instructional, but each only had a few variables in the dataset.

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Daniel Muijs @danielmuijs.bsky.social · 05/10/2025

We did not find the traditional causal model of leadership leading to better attainment through instruction. Rather, the relationship was highly complex, and in fact we found clusters of high attainment where scores on the measured leadership and instructional practices were low

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This description of the Irish Curriculum spec for the English LC by @finn_mcredmond is a perfect example of the vacuousness of many curricula. Typical of what we often see when curriculum developers are afraid to specify actual content and scared of setting high expectations.

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Paul Kirschner @paulkirschner.bsky.social · 20/09/2025

What is a knowledge-rich curriculum? In any event not just facts, not just math and reading, and not elitist. It is the strongest lever for equity. And thus ultimately a matter of social justice. #EduSky @timsurma.bsky.social, @danielmuijs.bsky.social

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Crown House Publishing @crownhousepub.bsky.social · 07/09/2025

Initial reviews for @ensermark.bsky.social and @greeborunner.bsky.social’s new book, #HowDoTheyDoIt? have been glowing! ⭐ Thank you to @danielmuijs.bsky.social for these comments. Have you ordered a copy yet? We would love to hear your comments if you do read it: buff.ly/3K6qYvp

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Daniel Muijs @danielmuijs.bsky.social · 30/08/2025

The results (again!) suggest that explicit teaching is the most appropriate way to help low achievers from disadvantaged social backgrounds acquire new, complex, and structured mathematical knowledge

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Daniel Muijs @danielmuijs.bsky.social · 11/08/2025

The number of PhD’s being awarded is increasingly outpacing the supply of academic jobs. This requires a rethink by universities of (over)recruitment, training and expectation management. Interesting blog by Huw Morris blogs.lse.ac.uk/highereducat...

blogs.lse.ac.uk

Have we reached PhD saturation point? - LSE Higher Education

With doctoral student demand outstripping supply of academic jobs, it’s time for governments, universities, and prospective PhD students themselves to take action to avoid regret, says LSE HE Blog Fel...

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Kelly Razey @voicesmatter.bsky.social · 07/08/2025

It’s here 👏🏻 the 5th edition of the social science student journal @danielmuijs.bsky.social

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1. Ensure that subject knowledge is an important part of teacher education programmes 2. Provide CPD opportunities for teachers to develop subject knowledge when & where they need it 3. Provide high quality support materials and textbooks to scaffold teacher knowledge

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Of course, not all teachers can have a subject degree in the subject they teach (in secondary). And in primary all teachers are generalists by definition. So what can we do to ensure that the subject knowledge is there?

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Interestingly, the effect is mediated by teacher confidence, with teachers with a subject degree being more confident. That is similar to what David Reynolds and me found in an earlier study, and a body of evidence on the importance of teacher subject knowledge.

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Subject degree is positively related to attainment in TIMSS (across countries), and explains about 17.5% of differences between teachers in effectiveness, which is a practically important effect. The effect is strongest for pupils from more disadvantaged backgrounds.

The effect of teacher subject-specific qualifications on student science achievement

This paper by Pietro Sarcassani is a nice illustration of the importance of subject knowledge to teacher effectiveness. In this study of Science teaching he finds that holding a subject degree in the relevant taught science (e.g. Biology, Physics...). sciencedirect.com/science/arti...

sciencedirect.com

I investigate the effect of teacher subject-specific qualifications on student science achievement using data from TIMSS 2015, a large-scale assessmen…

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Daniel Muijs @danielmuijs.bsky.social · 22/06/2025

Verjaardagsboeken/birthday books

Daniel Muijs @danielmuijs.bsky.social · 17/06/2025

Lining up is a sensible thing to do. Sets up the day and expectations and allows for an orderly move into classrooms.

Daniel Muijs @danielmuijs.bsky.social · 03/06/2025

‪And in more great news Christine Counsell will be chairing the curriculum reform task force.‬

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Daniel Muijs @danielmuijs.bsky.social · 03/06/2025

Lucy Crehan presenting her strategic review of the NI curriculum. Need for reform made clear: we need to move to a new curriculum framework that is specific, focussed, knowledge-rich, purposeful, and flexible and inclusive. A clear and evidence-based direction. #Curriculum #NI

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Peter Whitewood @pwhitewood.bsky.social · 29/05/2025

As ever, the loudest voices calling for the collapse of universities, presumably in the post-92 sector, benefitted from privileged educations.

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Daniel Muijs @danielmuijs.bsky.social · 22/05/2025

In educational research we are often unclear on on our definitions and concepts, which makes it harder to develop a coherent knowledge base. New article on why teacher effectiveness research often shows small effect sizes. www.tandfonline.com/doi/full/10....

tandfonline.com

Conceptualizing teaching quality: problems, prospects, and a proposal for moving forward

Empirical studies in teaching effectiveness research (TER) have largely yielded small and inconsistent effects. To better understand and explain these effects, we argue that it is core to consider ...

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Paul Kirschner @paulkirschner.bsky.social · 20/05/2025

Our article 'The role of knowledge-rich curricula in promoting deep thinking and complex skill acquisition' is online and free. #EduSky @danielmuijs.bsky.social @timsurma.bsky.social @dylanwiliam.bsky.social www.sciencedirect.com/science/arti...

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Daniel Muijs @danielmuijs.bsky.social · 06/05/2025

My second order was a usb Ethernet adapter. The excitement never stops in the Muijs household.

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Daniel Muijs @danielmuijs.bsky.social · 30/04/2025

Looking forward to reading this.

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Daniel Muijs @danielmuijs.bsky.social · 15/04/2025

What the researcher found was that in materials development the AI tool shifted the work from discovery to selection, and the most knowledgeable researchers were most able to distinguish promising from less promising models.

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Daniel Muijs @danielmuijs.bsky.social · 15/04/2025

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Daniel Muijs @danielmuijs.bsky.social · 15/04/2025

Very interesting study on the impact of AI as a tool in research and development. Study in materials lab showed that using AI significantly improved research productivity, but that this depended on how knowledgeable the researcher was. arxiv.org/abs/2412.17866 #knowledgematters

arxiv.org

Artificial Intelligence, Scientific Discovery, and Product Innovation

This paper studies the impact of artificial intelligence on innovation, exploiting the randomized introduction of a new materials discovery technology to 1,018 scientists in the R&D lab of a large U.S...

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Daniel Muijs @danielmuijs.bsky.social · 11/04/2025

Twee dagen in Brussel, werkend aan de nieuwe Vlaamse minimumdoelen met onze commissie. Die moeten kennisrijk, ambitieus en haalbaar worden. Met dank aan al onze expertengroepen zien ze er al goed uit, nu de schouders eronder op weg naar de eindmeet!

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Daniel Muijs @danielmuijs.bsky.social · 12/03/2025

Hear from @paulkirschner.bsky.social, Carlo van Hees and me on The ThoughtStretchers Podcast on our co-authored book: The Knowledge Revival, Curriculum For Deep Thinking youtu.be/lz2OtbLJWxI?...

youtu.be

The ThoughtStretchers Podcast: The Knowledge Revival, Curriculum For Deep Thinking

YouTube video by ThoughtStretchers Education

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Daniel Muijs @danielmuijs.bsky.social · 12/03/2025

Brilliant two days visiting West London Free School & Michaela as part of my role as Chair of the Commission rewriting Flanders' curriculum minimum goals with Minister Zuhal Demir, education providers, journalists and @timsurma.bsky.social. Much to be learnt about a knowledge-rich approach.

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Daniel Muijs @danielmuijs.bsky.social · 01/03/2025

Living in Northern Ireland I wouldn't say that Wordsworth, warm beer, or cricket are particularly associated with Bristishness here. Also wouldn't necessarily describe the suits as modern.

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Tom Rogers @rogershistory.bsky.social · 18/02/2025

In a school where the behaviour culture is strong and behaviour leadership is everywhere, a good teacher can be an excellent teacher. In a school where it's absent, a good teacher will have to fight just to remain good, and it will probably burn them out in the process.

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Odd Future Wolfgang Pauli @ofwp.bsky.social · 17/02/2025

A lot of AI guys seem to think "knowing how to ask the right questions" is some kind of magical new skill brought about by AI and not the bedrock of every academic discipline ever

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Daniel Muijs @danielmuijs.bsky.social · 15/02/2025

Thanks! I will let you know when we are next on Rathlin.

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Daniel Muijs @danielmuijs.bsky.social · 15/02/2025

Thanks! Really enjoyed it. Heading back to County Down today.