Carl Hendrick @carlhendrick.substack.com · May 4 Do test scores improve after phone bans? Not really. - High schools gain a little. Middle schools lose a little. The average is close to zero. www.nber.org/papers/w35132
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I'd like to see a measure for the number of safeguarding concerns.
What was the distance between the ban and the testing? Was the ban implemented effectively (was it actually a ban?) What is the teacher satisfaction with said bans?