Haesler discovers whether or not John is really talking through his Hattie

Dan Haesler

By Dan Haesler
Community contribution / March 19, 2015

Late last year I wrote a blog post at danhaesler.com entitled, 'Is John Talking Through His Hattie?' The subject of the post was a series of posts and articles I had come across that called into question the validity of the statistical analysis that is the backbone of John Hattie’s Visible Learning work.

To save you the time of reading that post, the key point raised was:

John Hattie had admitted half the ...

This story appeared in the April 2015 edition of Australian Teacher Magazine.

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