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

Groups to which an individual compares himself or herself

Explanation:

Reference groups are groups to which an individual reflects, regardless of whether or not they belong to the group. It is a matter of identifying the individual with the values, attitudes and behaviors practiced by the group. For example, the family may be a reference group or not for the individual. It all depends on the individual's adherence to family values. Another example, some individuals have as their reference group the political radicals, although they do not belong to this group of politicians, but agree with the values spread by them.

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