Crémieux
@cremieuxrecueil
I write about genetics, 'metrics, and demographics.
Read my long-form writing at
加入 March 2023
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Did student ability plummet on the PISA examination this year?
No, they did not experience any meaningful change. The large observed change is due to two factors:
1. Measurement issues (which could not be fully corrected due to a format change)
2. Sampling changes
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