Some people believe Friday the 13th is unlucky because they can remember times when they had bad experiences on that day but tend to forget times when nothing bad happened. Their reasoning is an example of illusory correlations. It is also an example of the use of.

This is also an example of a concept that is called Selective memory.

Explanation:

People often remember the bad things they associate with a date that is supposed to go bad but they tend to forget the days when nothing happened or something good happened on that day.

This is similar to the people who argue that there are more red lights than green because they tend to forget what green lights they have passed and only remember the red ones.

All of these are good examples of the concept of selective learning wherein a person only retains the information that they want to retain and none else.

answer: there were new carvings etched into the back of the sculpture and each shoulder was turned into a symbol of the birdman.

answer; /// the above statement is (true);