SCREEN GADGET TIME: Children who spend more than four hours a day on their mobile phone perform significantly worse on school tests than those who are limited to just 30 minutes, a Japanese government survey has found.
TOKYO: Children who spend more than four hours a day on their mobile phone perform significantly worse on school tests than those who are limited to just 30 minutes, a Japanese government survey has found.
Among the nearly one-in-nine 14 and 15-year-olds who use their handheld device for at least four hours daily, grade scores suffer an average 14 percentage points across all subjects.
