For example, to compare the results of students who study in 55 minutes in the mouth time to 70 minutes. Result is a student group that studied 55 minutes with better learning outcomes students 70 minutes.
For example, compare the test scores of students enrolled in the class 55 minutes to 70 minutes. As a result, The students have 55 minutes to achieve results better than those learning 70 minutes.
For example, comparing the results of the students studying in the period 55 minutes with 70 minutes. The ออกมาคือ students learning 55 minutes good grades than students 70 minutes.