The present research analyses the impact that the time spent on the Internet by primary school (3rd and 6th grade) students may have on their academic progression in terms of test scores. In order to go beyond a correlational analysis, we have applied a time fixed-effects estimation using a recent longitudinal database of 15,974 students from the…

Introduction: Some previous studies have shown that participation in extra-curricular activities optimises both academic grades and the socialisation process of students. However, nobody has so far related extracurricular activities with a tendency for academic procrastination; that is, the more or less deep-rooted habit of leaving study tasks…