Final answer:
Peer pressure is the pressure used by social groups to ensure conformity to group expectations. It can have both positive and negative influences on individuals.
Step-by-step explanation:
The pressure used by social groups to ensure that members conform to group expectations is called peer pressure. Peer pressure can take many forms, such as a group of friends encouraging someone to participate in a certain behavior or an entire society promoting certain norms and values. It can be both positive and negative, influencing individuals' decisions and behaviors.
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