There has been quite some debate because of the French decision to ban mobile phones from schools from this school year on. While I’m also a bit critical – I think we should rather teach children how to deal with phones and focus – I do understand where this thinking stems from, from studies like this: the negative correlation between mobile phone use and grades.
From the press release:
Students perform less well in end-of-term exams if they are allowed access to an electronic device, such as a phone or tablet, for non-academic purposes in lectures, a new study in Educational Psychology finds.
Students who don’t use such devices themselves but attend lectures where their use is permitted also do worse, suggesting that phone/tablet use damages the group learning environment.
Researchers from Rutgers University in the US performed an in-class experiment to test whether dividing attention between electronic devices and the lecturer during the class affected students’ performance in within-lecture tests and an end-of-term exam.
118 cognitive psychology students at Rutgers University participated in the experiment during one term of their course. Laptops, phones and tablets were banned in half of the lectures and permitted in the other half. When devices were allowed, students were asked to record whether they had used them for non-academic purposes during the lecture.
The study found that having a device didn’t lower students’ scores in comprehension tests within lectures, but it did lower scores in the end-of-term exam by at least 5%, or half a grade. This finding shows for the first time that the main effect of divided attention in the classroom is on long-term retention, with fewer targets of a study task later remembered.
In addition, when the use of electronic devices was allowed in class, performance was also poorer for students who did not use devices as well as for those who did.
The study’s lead author, Professor Arnold Glass, added: “These findings should alert the many dedicated students and instructors that dividing attention is having an insidious effect that is impairing their exam performance and final grade.
“To help manage the use of devices in the classroom, teachers should explain to students the damaging effect of distractions on retention – not only for themselves, but for the whole class.”
Abstract of the study:
The intrusion of internet-enabled electronic devices (laptop, tablet, and cell phone) has transformed the modern college lecture into a divided attention task. This study measured the effect of using an electronic device for a non-academic purpose during class on subsequent exam performance. In a two-section college course, electronic devices were permitted in half the lectures, so the effect of the devices was assessed in a within-student, within-item counterbalanced experimental design. Dividing attention between an electronic device and the classroom lecture did not reduce comprehension of the lecture, as measured by within-class quiz questions. Instead, divided attention reduced long-term retention of the classroom lecture, which impaired subsequent unit exam and final exam performance. Students self-reported whether they had used an electronic device in each class. Exam performance was significantly worse than the no-device control condition both for students who did and did not use electronic devices during that class.
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