medium · LSAT Logical Reasoning
High school students who spend more than two hours a day on social media have lower average GPAs than those who spend less than one hour. To boost student achievement, parents should disconnect their home internet after one hour of use each day.
Which one of the following, if true, most weakens the argument?
- Students whose grades are already poor tend to retreat into social media as a way of avoiding their schoolwork.
- A substantial portion of the homework students are assigned can only be completed with a working internet connection.
- For today's teenagers, social media has become the principal channel through which they keep in touch with their peers.
- There are some students with exceptionally high GPAs who nonetheless spend several hours each day on social media.
- Cutting off home internet after one hour would also block students from streaming entertainment unrelated to schoolwork.
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