Usually when Parker goes into an exam, he thinks, "What a dummy I am, always studying the wrong things." This time, however, Parker tries thinking, "I studied some of the right things, and I will do the best I can." Parker is engaging in .

it is due to the halo effect as the impression of the boy created earlier.on the mind of the principle affected his decision

answer; /// i believe the correct answer is (when one group has an extremely high score at pretest;

answer; intentional; outrageous;

answer; because they must appeal to a broad cross-section of the population;