Salik: Alright so for paired data the notes say 'each subject is measured under two different treatments', so I think the treatments in this case are playing music and not playing music. Maya: Then we need to have each student do an assignment twice. They'll do it once with no music, and then again with music. Salik: Won't they do better on it the second time? Or just the same if they remember all the questions and just put the same answers? Maya: Ok, how could we fix that? Your response