Tag archief: statistics

Half of the Statistics in Visible Learning are wrong (Part 2)

25 september 2014 door Dick van der Wateren 1 reactie

In this second post about the statistics in ‘Visible Learning’, the author, British mathematician Ollieorange2, asks some uncomfortable questions about the self-correcting capacity of the education science community. For me, two questions remain: If half of the statistics are wrong, how does that affect the recommendations to teachers based on those statistics, and How much […]

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