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Collecting Big Data with Small Screens: Group-Tests of Children’s Cognition with Touchscreen Tablets are Reliable and Valid
Behaviour Research Methods
Year of publication:
In Press
CBU number:
Collecting experimental cognitive data with young children usually requires undertaking one-on one assessments which can be expensive and time-consuming. In addition, there is increasing acknowledgement of the importance of collecting larger samples for improving statistical power (Button et al., 2013), and reproducing exploratory findings (Open Science Collaboration, 2015). One way both these goals can be achieved more easily, even with a small team of researchers, is to utilize group testing. In this paper, we evaluate the results from a novel tablet application developed for the Resilience in Education and Development (RED) 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. The quality of the data collected was high despite the lack of one-on-one engagement with participants. Most outcomes from the tablet showed moderate or high reliability, estimated using internal consistency metrics. Tablet-measured cognitive abilities also explained more than 50% of variance in teacher-rated academic achievement. Overall, the results suggest that tablet-based, group cognitive assessments of children are an efficient, reliable and valid method of collecting the large datasets that modern psychology requires. We have open-sourced the scripts and materials used to make the application, so that they can be adapted and used by others
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