From dusk to dawn: examining how adolescents engage with digital media using objective measures of screen time in a repeated measures study by Bradley Brosnan, Kim A. Meredith-Jones, Jillian J. Haszard, Shay-Ruby Wickham, Barbara C. Galland, Takiwai Russell-Camp, Rachael W. Taylor

“…Wearable and stationary PatrolEyes video cameras captured screen time from two hours before bedtime until sleep and manually coded for device type (phone, tablet, laptop computer, desktop computer, handheld gaming console, gaming console, television and other) and screen activity (watching, listening, reading, educational/creative, browsing, communication, social media, video gaming, multitasking) using a reliable coding schedule (κ ≥ 0.8). …”
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