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Answering important questions about child development often requires large samples of school- aged children, but data-collection using traditional one-on-one assessments can be expensive and time-consuming. One way a small team of researchers can quickly collect large datasets is to utilise group-testing. In this paper, we evaluate the results from a novel tablet application developed for the Resilience in Education and Development (RED) Study, an ongoing longitudinal developmental study. The RED-app includes 12 cognitive tasks designed for groups of children aged 7-13 to independently complete during a one-hour school lesson. Most outcomes from the tablet showed moderate or high reliability, estimated using internal consistency metrics. Tablet-measured cognitive abilities also explained up to 52% of variance in teacher-rated academic achievement. Overall, the results suggest that tablet-based, group cognitive assessments of children are an e cient, reliable and valid method of collecting the large datasets that modern developmental psychology requires.
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Bignardi et al. (2020) studied this question.