John Hattie, this is why teachers agree that class size does matter

By Elizabeth Diacos
Community contribution / January 14, 2020

When John Hattie asked the question “what works best in education?”, he was trying to find the factors that have the greatest effects (both positive and negative) on student learning.

In a straw poll I conducted in the Get out of Teaching Facebook page, John Hattie emerged as the baddie ...

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John Hattie, this is why teachers agree that class size does matter

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