The first time Mark flew Rover Airlines, he had a terrible customer service experience.Thus, he was very surprised that his next two flights were quite average in terms of service.Mark's is experiencing what bias?
A)The law of large numbers
B)The gambler's fallacy
C)The base rate effect
D)Regression to the mean
E)None of the above are correct.

Question

Quizplus · Accepted Answer

Mark is experiencing regression to the mean. This phenomenon refers to the tendency for extreme or unusual events to return to their average or expected level over time. In this case, Mark's terrible customer service experience was likely an outlier, and his subsequent average experiences represent a return to the mean level of customer service for Rover Airlines.

The First Time Mark Flew Rover Airlines, He Had a Terrible