Here is an example summary of this reading selection: Studies have shown that media multitasking, the act of attending to various forms of electronic social media simultaneously, has a detrimental effect on learning. Because the brain cannot do two complex tasks at the same time, students can pay attention either to their electronic devices or to their academic work, but not to both at the same time. When students multitask, they take longer to finish assignments, they remember information less effectively, and their grades suffer. The original Marshmallow Test showed that children who can delay rewards are more successful in later life. Research suggests that the ability to resist multitasking while studying is a “new Marshmallow Test”; students who can resist are likely to be more successful in school. Those who can’t resist will do well to cultivate the skill by rewarding themselves with “tech breaks” after periods of concentrated study. Your summary will differ from this one in the way it is written, but it should include roughly the same information.