December 21, 2025 7:00am by David Farrar Impact of cellphone bans The first full year that Florida's in-school cellphone ban was in effect, student test scores went up by as much as 10% of a standard deviation. pic.twitter.com/MBRaLd1lHj— Crémieux (@cremieuxrecueil) December 4, 2025 That is a very significant increase. Hopefully we will see the same in NZ. Share this: Share on Facebook (Opens in new window) Facebook Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Share on Reddit (Opens in new window) Reddit Share on WhatsApp (Opens in new window) WhatsApp More Share on Pinterest (Opens in new window) Pinterest Print (Opens in new window) Print Share on Tumblr (Opens in new window) Tumblr Like this:Like Loading…
