MCAT topics → Self-Identity and Identity Formation → Reference Groups

Reference Groups

MCAT trap: Assumes reference groups must be membership groups, overlooking aspirational nonmembership reference groups. Reference groups can be nonmembership groups — people often use groups they aspire to join or admire as standards for comparison and behavior.

Reference groups are the groups people use as standards for comparison, self-evaluation, and behavior — not necessarily groups they belong to. The MCAT tests this concept in a few distinct ways: straight definitional recall (can you distinguish membership from nonmembership reference groups?), mechanism questions (does the group set behavioral norms, or does it serve as a benchmark for comparison?), and passage-based application where you have to identify which group is actually driving a character's behavior or self-perception. The tricky part is that reference groups are defined by their psychological function, not by actual membership status — and passages often feature characters modeling themselves after groups they're not in.

The most common error students make is assuming that a reference group must be a group someone belongs to. That's backwards — some of the most powerful reference groups are aspirational ones. A first-generation college student comparing themselves to professionals they've never met is using a nonmembership reference group. The MCAT frequently builds passages around exactly this dynamic, so if you're locked into the idea that reference = membership, you'll misread the scenario every time.

The second major confusion is collapsing the two functions into one. Normative reference groups tell you how to behave — they set expectations and standards. Comparative reference groups give you a yardstick for evaluating where you stand. A single group can serve both functions simultaneously, but they're conceptually distinct, and the MCAT will test whether you can tell them apart in context.

Common misconceptions

Common mistake
Wrong: Reference groups must be groups to which a person actually belongs.
Right: Reference groups can be nonmembership groups — people often use groups they aspire to join or admire as standards for comparison and behavior.
Reference groups are defined by their psychological role, not by whether someone holds formal membership. A person can — and frequently does — use groups they aspire to join, admire from a distance, or have never interacted with as primary standards for behavior and self-evaluation. On the MCAT, always ask 'what group is this person comparing themselves to or modeling behavior after?' rather than 'what group do they belong to?'
Common mistake
Wrong: Reference groups serve only a comparative function by providing a benchmark for self-evaluation.
Right: Reference groups serve both a normative function (setting standards and expectations for behavior) and a comparative function (providing a basis for self-evaluation).
The comparative function — using a group as a benchmark to evaluate your own status, achievements, or traits — is only half the picture. The normative function is about behavioral standards: the group defines what's acceptable or expected, and you conform or aspire to those norms. These are two separate mechanisms. A med student who studies the way attendings do (normative) and also measures their own progress against fellow students (comparative) is using reference groups in both ways at once.
Common mistake
Gap: Unaware that negative reference groups (groups one deliberately contrasts oneself against) exist as a distinct category
Negative reference groups are groups a person uses as a contrast — deliberately behaving in ways opposite to the group's norms — and are a distinct type of nonmembership reference group.
Negative reference groups are a real and distinct category worth knowing. Instead of modeling behavior after a group or aspiring to join it, a person deliberately does the opposite of what that group does — using it as a contrast, not a template. For example, someone who dresses or speaks in ways specifically unlike a group they disdain is using a negative reference group. This is still a nonmembership reference group, but the direction of influence is inverted. The MCAT may present this implicitly in a passage, so recognize the pattern: when someone defines themselves by what they are not, look for a negative reference group.
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What the exam tests

  1. Define reference groups and correctly distinguish between membership reference groups (groups you belong to) and nonmembership reference groups (groups you don't belong to but use as a standard) — including both aspirational and negative nonmembership groups.
  2. Explain the two core functions of reference groups: the normative function, where the group sets behavioral expectations and standards, versus the comparative function, where the group provides a benchmark for self-evaluation.
  3. Read a passage scenario and correctly identify which group is serving as the reference group shaping a character's behavior or self-assessment — especially when the reference group is one the person doesn't actually belong to.

Can you avoid these mistakes?

A college student from a working-class background starts dressing and speaking like the business professionals she sees on LinkedIn, even though she has never met any of them. What type of reference group are these professionals, and which function — normative or comparative — is most clearly at work here?
Two students are both influenced by the pre-med student club at their school. One uses the club to set study habits and professional norms for herself. The other constantly compares his GPA to club members to gauge how competitive he is. Which student is experiencing the normative function, and which is experiencing the comparative function?
A teenager deliberately listens to obscure music and avoids mainstream trends specifically because he wants to be nothing like the popular crowd at school. What type of reference group is the popular crowd for him, and is it a membership or nonmembership group?
A passage describes a nurse who feels dissatisfied with her salary after learning what physicians earn, even though she never expected to earn that much before. What sociological concept best explains her dissatisfaction, and what role does a reference group play in it?

Related topics

Self-Concept and Self-Esteem Self-Efficacy and Locus of Control Types of Identity (Race, Gender, Age, Class, Sexual Orientation) Erikson's Psychosocial Stages

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