As science now can explain these phenomena, superstition decreases.
BTW, Ignorance is the mother of Superstitions, and Superstition is the mother of religions..
Falsely assuming a cause and effect.
If you kick a goat on your way to school and get an F on your test, and it happens again, you might assume kicking goats is bad luck. But it's more likely that you weren't prepared for either of the tests.