Peer Effects refers to that the behavior injustice of an individual in society will be affected not only by the individual's own material, but also by the surrounding people with the same or similar status, experience or background, so as to change the behavior that an individual may take when he exists alone.
According to the above definition, which of the followings belongs to Peer Effects:
Xiao Fang believed that everyone should establish a family and have children. Later, she met some celibates and realized that people have a variety of lifestyles to choose from