Harnessing digital data to study 21st-century adolescence

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Almost every child in the UK is now living in both offline and online worlds. Just as they go to school every day, they also engage in online environments on a daily basis. A recent data collection by Ofcom showed that an average UK 16-year-old reports spending about 4 hours and 54 minutes a day online. In the USA, 46% of young people aged 13-17 say they are online 'almost constantly' while another 48% say they are online 'several times a day' (Pew, 2022). If we want to understand adolescent health in this digital age, we need to collect adequate data about what they do, see, and experience when spending time online. We need to do so because online activities can influence a range of mental and physical health factors. For example, seeing self-harm content online could impact the mental health of a vulnerable adolescent who has just had a very difficult day at school. On the other hand, certain TikTok trends could impact another adolescent's activity levels or what they eat, impacting their physical health. Further, the communities young people find online can be a source of support, especially for those already struggling with their health. However, currently no large UK data collection investment targeting adolescents is adequately collecting data about any of these processes. Many rely only on questionnaires to understand the online world. For example, they ask how much time teenagers spend on social media. However, time spent engaging with digital environments is not a good indicator of their impact, as we do not know what adolescents are seeing or doing online. Further, teenagers are very bad at estimating the time they spend on digital platforms, making current questionnaire measures woefully unreliable.So how do we adequately capture interaction with digital environments to better understand adolescent health? One of the methods that has been especially promising and that has been developed in the past years through a variety of international grants is "Digital Data Donation". Digital Data Donation uses our data rights; as users of digital platforms, we are entitled to request our data from these platforms and are then free to share it with anyone we want. To allow us to exercise these rights, most digital platforms have introduced 'download your data' pages or services on their sites. Some in our team (Co-Is Boeschoten and Oberski) have developed infrastructure in The Netherlands to use these data download packages in an ethical and privacy enhancing fashion to collect data for research. This offers an opportunity to explore whether this infrastructure could be used to collect important data in the Adolescent Health Study. In this project we will complete four workstreams to achieve this goal. First, we will get feedback from young people about the data donation infrastructure and test its feasibility in a classroom data collection environment. We will explore a research question that young people acting as our co-investigators throughout the project will help choose. Second, we will explore how we can not only collect digital data from young people, but also feed it back to them in fun and interactive data visualisations. We will work with young people and software engineers to explore what is possible and interesting, to ultimately develop a prototype of this data feedback tool. Third, this data feedback tool could also be used in a classroom environment, e.g., when teachers provide digital literacy lessons. We will consult teachers and develop a draft lesson plan integrating digital data donation and the data feedback tool. This could be used to motivate schools and teachers to engage in the broader Adolescent Health Study. Fourth, we will use what we learnt both in this project and in our other work to provide a briefing document setting out the pros and cons of a variety of digital data collection methods that can be used to inform the Adolescent Health Study and other future work.