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As a teacher running an education centre in South Wales, Cerys Bevan knows all about the value of testing a theory to see if it works. So after hearing about the 90-minute chunks idea for the first time, she was intrigued enough to see what all the fuss was about. The results were stunning.

images 90 minutes to respond

Did you know that the average person responds to a text message in around 90 seconds, whereas if you want to get a response from an email it takes (you guessed it) closer to 90 minutes? It seems that a psychological link has developed ...

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