Help I will mark brainliest give an example of how peer pressure can be positive and negative.

Positive peer pressure is when someone's peers influence them to do something positive or growth building. For example, peers who are committed to doing well in school or at sport can influence others to be more goal orientated. Similarly, peers who are kind, loyal or supportive influence others to be the same.

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Peer pressure can be negative and positive because if one of your best friends keep telling you to do this one thing and it could turn out being really good for you. If someone is peer pressuring you into doing something bad then  negative and could be really bad for you.

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I hope this helps.