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If you put a level one pupil in a class with level nine pupils, they turn off quicker than lightning. They just cannot understand what is being said. Mixed ability increases the performance gap.
An effect size of 0.12 is not “damaging.” It’s still positive. Misrepresenting here.
If you put a level one pupil in a class with level nine pupils, they turn off quicker than lightning. They just cannot understand what is being said. Mixed ability increases the performance gap.
An effect size of 0.12 is not “damaging.” It’s still positive. Misrepresenting here.