Explanation for Question 20 From the Reading Section on the 2019 April Sat
For number 20, we want to know according to figure one, 2 which statement best describes the change in the mean self ratings of the volunteers 3 after they were asked to analyze and explain a policy. 4 So let's go to figure one and look at it. 5 So we're looking at, after they were asked to analyze and explain a policy. 6 So that will be this set of bar graphs here. 7 So here's our before tasks and after task. 8 So after they were asked to analyze and explain the policy, 9 we can see that their mean self rating, 10 which is on how much they understand their policy. 11 It goes from four to a little bit over three, 12 so we can see that their understanding declined. 13 Now, if we look at the answers, 14 so after they were asked to analyze and explain, 15 we can tell that, see, 16 they became less confident in their understanding of the policy.