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Most teachers will tell you that cell phones adversely affect learning in the classroom, and research backs that up. Common Sense Media, a nonprofit organization that promotes safe technology and media for children, reported that "50 percent of teens 'feel addicted' to mobile devices." The report also stated that 78 percent of teens check their devices at least hourly, and 72 percent of teens feel the need to immediately respond to texts, messages on social networks, and other notifications. The paper also found that multitasking—for example, toggling between multiple screens or between screens and people—impairs a child's ability to learn and work effectively.
Students tend to be highly susceptible to the kinds of distractions smartphones provide. My colleague caught a student watching Grey's Anatomy during her class. Other students tweet, text, and listen to music when they should be on task. According to Jeffrey Kuznekoff, who conducted a study on phone use by college students, "You're putting yourself at a disadvantage when you are actively engaged with your mobile device in class and not engaged in what's going on." Saraswathi Bellur, a researcher at the University of Connecticut, found that multitasking in class "is likely to harm academic performance."
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