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Scarlett said she enjoyed taking part in the programme. Throughout the experiment she did not experience "panic attacks or anxiety", which she thought was a direct result of the smartphone ban.
"I don't think it helped scrolling TikTok and not talking about how I felt," she said.
"When I had no phone I was completely fine - I concentrated in lessons, I understood, I was more sociable, I was kind to people, I came downstairs and helped my family... we were playing board games every night."
She now believes "smartphones should be banned for children under 16"