Which of the Following Is an Example of an Illusory

Which of the following is an example of an illusory correlation?

A) Bystanders are less likely to help someone in need if there are other bystanders present.
B) Crimes and mental disturbances seem more common during a full moon than at other times.
C) Women are more likely than men to attempt suicide, but men are more likely to succeed.
D) The average capacity of short-term memory is around seven items.