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Study finds smartphone bans in Dutch schools improved focus
(www.reuters.com)
This is a most excellent place for technology news and articles.
I mostly care about longer term impacts. The ban has only been in place for a year and a half, so it's really not much to go on.
Short term and long term impacts are both worthy of study, surely.
Sure, but short term impacts are generally unreliable, since there are a lot of cases of coincidence, like a good policy having no immediate impact or a bad policy having the desired impact. Longer term studies account for that randomness.