An argument for order
The second law of thermodynamics tells us that entropy within a system will always increase over time. What starts off as order descends, sometimes quickly, sometimes slowly, but inexorably into chaos. In simple words: everything deteriorates over time. Fending off chaos and bolstering order requires continual effort and careful maintenance. Whatever else it is, a school is a system. The orderly running of schools is something most people take completely [...]
Garbage in, garbage out
This is my latest article for the rather wonderful Teach Secondary magazine. Schools are awash with data but do we know any more about how children are performing? Are we clear how likely they are to achieve particular targets? Can we diagnose what’s preventing them from making progress? All too often the answer is no. The problem can be simply summed up as data ≠ knowledge. Here’s a lovely video of [...]
Survivorship bias and the enduring appeal of bad ideas
Survivorship bias occurs when we draw conclusions only from examples which have passed some sort of selection criteria and systematically discount those which have not. During World War II, British bombers were suffering a fairly awful attrition rate. Understandably, the RAF were keen to try to improve the survivability of their aircraft. Most of the bombers that limped back to base showed signs of heavy damage around the cockpit and [...]
Modelling and observation: a low threat model for teacher development
For some years now I've been of the opinion that while lesson observations can be useful learning opportunities the person doing the observation learns far more than the person being observed. This is a bit of a problem as, in the main, the people who observe the most teach the least. This means many schools end up with a class of teachers who know an incredible amount about teaching but [...]
A measurement checklist
Campbell's Law: The more any quantitive social indicator is used for social decision-making, the more subject it will be to corruption pressures and the more apt it will be to distort and corrupt the social processes it is intended to measure. Goodhart's Law: Any measure used for control is unreliable. Metrics can be great. We can be so preoccupied at seeing only what’s right in front of us that it’s [...]
What’s the best (and easiest) way to teach?
I thought I'd said all I ever wanted to say about group work until, responding to a tweet from an education professor exhorting all teachers to add group work to their teaching repertoires, I unwisely suggested that maybe that wasn't such great advice. Unless you teach PE, drama, or some other subject where outcomes require cooperation this may not be good advice. Instead think very carefully about what the purpose [...]
The school leadership bubble
Some years ago the English faculty I led was subject to a week-long leadership review. Knowing that every member of the department was to be observed and that we would be expected to showcase loads of 'student centred learning' I made sure everyone had planned plenty of group work and taken steps to minimise whole class instruction. At the end of the week the headteacher congratulated me on the quality of [...]
What if everything you knew about mindsets and resilience was wrong?
Here are the slides I use for my talk at researchED Malmö: What if everything you know about mindsets and resilience is wrong? from David Didau The following is the English text of an article I wrote for Pedagogiska magasinet on which the presentation was, in part, based. What leads to success? Obviously, as teachers, we should be interested in children’s academic test scores, but what else is important? Are there [...]
Why do some children struggle with reading?
Janet and bloody John! When I was about 7, my primary school teacher told my parents that I would probably never learn to read. Apparently, the suspicion was that I might be mentally subnormal. My mother wasn't having any of that. Although she had no experience of teaching reading, she took me out of school, borrowed a set of the Janet and John reading scheme and set about [...]
Born stupid
If I've learned anything over the last year or so it's that intelligence - whatever we believe that to be[1] - is not innate. Whilst it seems hard to deny that some of our potential for becoming intelligent is genetically endowed, it ought to be obvious that our ability to reason is entirely dependent on our environment.[2] If you doubt this, try to reason about something of which you know [...]
A manifesto for closing the advantage gap: my slides from researchED18
The talk I gave a this year's researchED national conference was, I'm afraid to say, shameless promotion for my new book, Making Kids Cleverer. Each of the slides represents an incredibly brief potted summary of the book's ten chapters. The book will be published some time in the coming months and, as the release date approaches, I'll write a series of posts that expands on each chapter. For now I [...]
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