To study the causal impact of smartphone use on academic performance, we collected – for the first time worldwide – longitudinal data on students' smartphone use and educational performance. For three consecutive years we surveyed all students attending classes in eleven different study...

Multitasking – alternating between two different tasks at the same time – has become a daily habit for many university students. However, this may come at a cost since the existing literature emphasises the negative association between multitasking and academic performance. Nonetheless, this...