Despite spending increasing amounts of time on screen- based devices, much like adults, children multi-task, adapting their behaviours to include their devices and do all the things that they would do anyway, such as homework and playing with friends.
The study also reveals key gender differences in how children use technology.
Although boys and girls spend similar amounts of time using devices, boys spend significantly more time playing videogames compared to girls. The bulk of girls time is spent engaging in other activities such as study and socialising.
The work represents a first of its kind assessment of how the time children aged 8-18 spend daily on screen-based activities (TV, videogames and computers) has changed since 2000, together with an analysis of how children are incorporating the use of devices such as smartphones and tablets into their daily activities.
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The time children spend using digital devices sounds huge. However, when you break it down, you can see how children have embedded tech in their daily activities just like we have, researchers said.
Published in the journal Child Indicators Research, the research uses high-quality time-diary data.
Children fill out a diary, recording the sequence of activities they engage in throughout the day, and include when they are using a digital device (smartphone, tablet, computer) throughout the day.
The study reveals that children spent 10 minutes less time watching TV between 2000 and 2015.
"While this is undeniably a considerable amount of time, taken with context it suggests less cause for alarm," said Mullan.
"In fact, the study reveals that rather than allowing their devices to take over their lives, as some research suggests, children are combining the use of new technology with other activities," she said.