regression toward the mean

• Статистическое явление, при котором за экстремальным или необычным наблюдением, скорее всего, последует более среднее или типичное; часто используется в психологии, финансах и спорте для объяснения того, почему исключительные результаты со временем нормализуются.

A statistical phenomenon where an extreme or unusual observation is likely to be followed by a more average or typical one, often used in psychology, finance, and sports to explain why exceptional results tend to normalize over time.

1. Statistical phenomenonC1formal

   The statistical tendency for extreme or unusual results to be followed by results that are closer to the average.

   Регрессия к среднему

   • After an unusually high score on the first test, the student's second score showed regression toward the mean.
   • In sports, a player's exceptional performance in one season is often followed by a more average performance due to regression toward the mean.
   • The concept of regression toward the mean explains why extreme events are often followed by less extreme ones.