Boeldt is a clinical psychologist with a background in child development. Her team found that nearly one in five children under the age of 13 spend four or more hours online daily, and that’s leading to increased depression and anxiety levels among the internet’s youngest users.
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It surveyed around 5,000 people and then followed 50 couples in forensic, sometimes intrusive detail, combining statistics with diaries, interviews and "emotion maps" of what happened in the home.
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