Some material on..';peer advice and not family advice helps in deciding the field of study chosen by a student';?

Plzz helppSome material on..';peer advice and not family advice helps in deciding the field of study chosen by a student';?
All that means is that students are more likely to listen to their peers' advice when discussing majors than their family's advice. This makes sense because their peers are likely to be attending the same college, while their family isn't.