A chemistry instructor wants to find out whether having a practice test or allowing one note sheet will have a better effect on student performance on the actual exam. For their first test they offer their students a practice testFor the second test, they do not offer a practice test, but instead allow a note sheet that students can use while taking the exam . They then compare student performance on the two exams. Which of the following correctly identifies the treatment of this experiment? (1 point) the size of the note sheet that is allowed in the second exam the number of students who complete the practice test versus the number of students who create a note sheet whether a practice test is given or a note sheet is allowed the difference in student performance on the two exams
