Answer:
attitudes of others
Explanation:
Humans generally go with what others say. If you are interested in purchasing something and a friend tells you how bad or good it is, it will shape your decision. Of you were at a supermarket and were about to pick up an item but you see everyone shopping around you looking at the item with disdain it will make you abstain from picking it also not until you determine the cause of their disdain and if it's something that will bother you or not.