Let's take an example of a teacher who is testing multiple reading programs to determine the impact on student achievement. There are five different reading programs, and her 31 students are randomly assigned to one of the tive programs. She collects the following data. TABLE 15.6: Method 1 Method 2 Method 3 Method 4 1 Method 5 8 7 9 432 10 6 6 10 12 7 4 8 2 4 9 6 9 11 5 3 8 5 8 16 5 5 7 5