Why are people superstitious?

According to László Sándor Chardonnens the signs subcategory usually needs an observer who might help in interpreting the signs and such observer does not need necessarily to be an active participant of the observation. According to Chardonnens, category of Divination participant need to go beyond mere observation and need to be active participant in given action. Examples of Divination superstitions are judicial astrology, necromancy, haruspex, lot-casting, geomancy, aeromancy and prophecy.