To save you the time of reading that post, the key point raised was:
John Hattie had admitted half the ...
Haesler discovers whether or not John is really talking through his Hattie
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.
This story appeared in the April 2015 edition of Australian Teacher Magazine.
