A school board is debating whether to implement a later start time for high school students. The claim is that 'later start times improve student academic performance and well-being.' Which piece of evidence would most effectively support this claim?

The correct answer to the question "A school board is debating whether to implement a later start time for high school students. The claim is that 'later start times improve student academic performance and well-being.' Which piece of evidence would most effectively support this claim?" is Option B: A study linking later start times to increased attendance and higher test scores..

The other options — A) Interviews with students who prefer sleeping in later., C) A survey of parents expressing concern about evening extracurriculars., D) An article discussing the general importance of sleep for teenagers. — are incorrect for this GED Exam Prep question. As explained above: A study directly linking later start times to improved academic performance and attendance provides strong, empirical evidence to support the claim.