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Instead they studied dozens of data points, observing everything from the children's speech and language development to their frequency of healthcare to their performance at school.

I thought we’d still be thinking about it up until the night of the Oscars, but in retrospect it’s just another data point in the most chaotic Oscars season I can remember.

“I think it’s too early to celebrate,” he said, adding that more data points are needed.

"To have even one data point of a real example would be incredibly powerful," says Prof Gareth Collins from Imperial College London.

The group makes up 15% of the total population of these four areas, but researchers say the data point to a dearth in multilingual communication alerts about fire warnings, evacuation procedures and relief services.