Question

the concept
eference groups\ can be defined as:
o groups which consist of people for whom an individual feels great disdain.
o groups a person belongs to and feels are an integral part of his or her identity.
o people who share similar characteristics but who are not connected in any way.
o groups to which an individual compares himself or herself.

Explanation:

In sociology, reference groups are groups to which an individual compares themselves, using the group's norms, values, and behaviors as a standard for self - evaluation.

Answer:

Groups to which an individual compares himself or herself.