Question

which of the following details best support the central idea listed below? schools that ban cell phones in the classroom have higher academic success rates. select all that apply. a one student states, \i focus much better in my classes now that i do not have to think about reading and answering messages on my phone. this has helped improve my gpa from last semester.\ b research reveals that classes that ban cell phones have lower failure rates than those that permit cell phones. c while many students have voiced disagreement with phone - banning policies, very few have violated the rule. d parents of high school students prefer their students to leave their phones outside of the classroom.

Explanation:

• Option A shows a student's improved focus and GPA due to phone - free classes, supporting the central idea.
• Option B presents research on lower failure rates in phone - banned classes, which also supports the central idea.
• Option C is about students' compliance with the ban, not academic success.
• Option D is about parents' preference, not academic success rates.

Answer:

A. One student states, "I focus much better in my classes now that I do not have to think about reading and answering messages on my phone. This has helped improve my GPA from last semester."
B. Research reveals that classes that ban cell phones have lower failure rates than those that permit cell phones.