When Mariano Jeuvo, Famed First Baseman for the New York

Multiple Choice

When Mariano Jeuvo, famed first baseman for the New York Yankees, comes up to bat, he always scratches his nose.This is because one time he scratched his nose and then hit a game-winning home run.He now believes that scratching his nose is going to make him a better hitter.This is an example of ________.

A) experimenter bias
B) an illusory correlation
C) demand characteristics
D) a single blind research study