where people frequently drop loose change.
For example:
Grocery-store parking lots
Sidewalks
Public transportation areas
Restaurants
Shopping centers
Vending-machine areas
Laundromats
Busy pedestrian streets
If you walk through these locations frequently, your chances of encountering dropped coins naturally increase.
There may also be a psychological factor.
Once you’ve found one coin, you may start looking for them more often.
This is an example of selective attention.
Your brain becomes more sensitive to a particular type of object because it has recently become relevant.
You might have walked past dozens of
