Carlos was timing how fast his rat ran the maze. He found that rat A ran extraordinarily fast yesterday compared to the five other rats in his sample. According to the concept regression toward the mean, which of following is likely to happen tomorrow?
A) Rat A will run extraordinarily fast
B) Rat A will run at a pace more similar to the average running pace
C) Rat A will run the slowest of the sample of rats
D) Rat A will refuse to run

Question

Quizplus · Accepted Answer

The concept of regression toward the mean suggests that if an extreme score or performance is observed, the next observation will likely be closer to the average. Therefore, Rat A is likely to run at a pace more similar to the average running pace of the group on the following day.

Carlos Was Timing How Fast His Rat Ran the Maze