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In response to
"Evanston township (Chicago suburbs) banning cell phones in classrooms -- (link)"
by
oblique
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Norway did it and has already measured positive effects
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According to the study, banning smartphones in schools has reduced the number of consultations for psychological symptoms and diseases at specialist care by about two to three visits during middle school years among girls. In addition, girls have fewer consultations with their GP due to issues related to psychological symptoms - a decline of 0.22 visits, the report said.
Reduced bullying
The study showed that banning smartphones lowers the incidence of bullying for both girls and boys when they are exposed from the start of their middle school years to a ban.
Improved grades
The report stated that after the smartphone ban, girls who were exposed to the ban from the start of middle school made gains in GPA. Their likelihood of attending an academic high school track also increased. However, according to the study, there was no significant impact on boys' GPA and their average grades set by teachers, or even their probability of attending an academic high school track.
Largest effect was among the poorest kids
According to the report, the health care take-up for psychological symptoms and diseases, GPA, teacher-awarded grades, and the probability of attending an academic high school track is larger for girls from low socioeconomic backgrounds
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