So – back to school again and I thought I would make a final and rather important update to **Resolutions for (Mathematics) Teachers.** Reading **John Hattie’s** Visible Learning for Teachers is such an important reminder that we should really be looking at the impact of all we do on our students. We might think a particular method or resource is amazing, but do we think so because we have considered very carefully how it will help our students learn?

For a summary of the book,** read this from The Main Idea.**

The five dimensions of Expert Teachers Hattie identified were based on a review of the literature.

In summary:

- Expert teachers identify the most important ways to represent the subjects they teach
- Expert teachers create an optimal classroom climate for learning
- Expert teachers monitor learning and provide feedback
- Expert teachers believe all students can reach the success criteria
- Expert teachers influence a wide range of student outcomes not solely limited to test scores

Dimensions 4 and 5 remind me of Carol Dweck, these points she made struck a chord with me: **for teachers to develop a growth mindset in their students they need to develop their own growth mindset**; do we ever judge our students too quickly? Also, such a useful reminder that we may sometimes worry too much about ‘teaching to the test’ when we just need to remember that ‘**The outcomes are natural byproducts of engaging in good practice’.**

I have sometimes listened to audio books as I do like to hear authors read their own work, I believe it helps understanding. You can hear John Hattie himself on the principles discussed in Visible Learning in these two videos: **Visible Learning Part 1: Disasters and below average methods** and **Visible Learning Part 2: effective methods**. If you are in a hurry you might want to skip straight to the last part of the second video! For anyone who can’t get enough of Hattie, he was interviewed as part of **Radio 4’s series The Educators**.

For further reading of current ideas, see Tom Sherrington’s excellent collection: **Contemporary educational ideas all my staff should know about.**

If you are about to return to school (or have already done so) then I wish you and your students a great year.

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You realise that the Statistics John Hattie uses are not recognised by Mathematicans?

Perhaps appropriate to provide a link to one of my all time favourite bloggers David Didau’s post on effect sizes to present the case against: http://www.learningspy.co.uk/myths/things-know-effect-sizes/

There are several interesting comments including from Dylan Wiliam who I see though noting the problems still thinks effect sizes are useful.

Now I do know that people argue over the Statistics but I also know that for me one rarely sees so much common sense and ideas for my classroom for me to think about in one book! I see Tom Sherrington has included it in his excellent round up of educational thinking – even if the effect sizes are problematic http://headguruteacher.com/2014/08/18/contemporary-educational-ideas-all-my-staff-should-know-about/

John Hattie is a Psychologist with no training in Mathematics. He has admitted that half of the Maths in Visible Learning is wrong. As someone with a Maths degree who has been teaching up to A Level for 17 years I have blogged about the ‘Effect Size’ mistake a great deal.