Felicity scored 98 percent on her first statistics exam,while Baxter scored only 35 percent.Felicity studied really hard in an attempt to score 100 percent on the next exam.Baxter decided he wasn't going to be successful in the course,so he didn't study at all.On the second exam Felicity scored 89 percent,while Baxter scored 42 percent.What does this reflect

Question

Quizplus · Accepted Answer

Regression toward the mean is a statistical concept that suggests that extreme scores will likely move toward the average on subsequent measurements. Felicity's score decreased slightly from the first exam to the second, while Baxter's score increased slightly. This is likely due to regression toward the mean, rather than any self-fulfilling prophecies or placebo effects.

Felicity Scored 98 Percent on Her First Statistics Exam,while Baxter