Regression toward the mean refers to the tendency for
A) changes in one factor to predict changes in another factor.
B) unusual events to be followed by more ordinary events.
C) pessimistic thinking to trigger episodes of depression.
D) a placebo pill to reduce suffering.

Question

Quizplus · Accepted Answer

Regression toward the mean refers to the statistical phenomenon where extreme or unusual scores or events tend to be followed by scores or events that are closer to the average or mean. This is because extreme scores or events are often due to random variations or errors, and these tend to balance out over time, leading to averages that are more representative of the true underlying value.

Regression Toward the Mean Refers to the Tendency for