Qi) 1. What is the purpose of including the study about students who had their school start time delayed by 30 minutes in paragraph 7? To suggest that delaying school start times leads to worse academic performance To demonstrate that students will sleep even later if their school start times are pushed back To prove that pushing back school start times has no c impact on students sleep patterns To show that a small change in start time can lead to improved sleep habits among students c

## Step 1<br />The problem is a comprehension question that requires understanding the context of the paragraph mentioned. The paragraph discusses the impact of delaying school start times on students' sleep patterns.<br /><br />## Step 2<br />The paragraph does not suggest that delaying school start times leads to worse academic performance. It does not demonstrate that students will sleep even later if their school start times are pushed back. It also does not prove that pushing back school start times has no impact on students' sleep patterns.<br /><br />## Step 3<br />The paragraph does show that a small change in start time can lead to improved sleep habits among students. This is the main idea that the paragraph is trying to convey.