Suppose that Mr. Yipol gives 100 students a reading exam. He then selects the five students with the highest scores for a special reading program. At the end of the reading program, he administers the same reading exam again. To Mr. Yipol's astonishment, though, the students actually perform worse this time. While it might well be the case that the reading program actually negatively impacted the students' reading ability, Mr. Yipol would be wise to consider that the decrease could be due to ____.
A) false consensus
B) false uniqueness
C) statistical regression
D) illusion of control

Question

Quizplus · Accepted Answer

Statistical regression, also known as regression to the mean, is a statistical phenomenon in which extreme scores on a test tend to move closer to the average score when the test is repeated. This means that if Mr. Yipol selected the five students with the highest scores on the first exam, it's likely that their scores would have decreased, even if they hadn't undergone the reading program. Therefore, Mr. Yipol should be cautious in attributing the decrease in scores solely to the reading program.

Suppose That Mr