Respuesta :
A is the best answer as she belongs to the group she advocating gor
The example of in-group bias is Shelly, who thinks her cheerleading team is better than any other school's team.
What is in-group bias ?
In-group Bias is the tendency for people to give preferential treatment to others who belong to the same group that they do.
To know more about in-group bias here
https://brainly.com/question/14191702
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