Monash University · S1 2026 · FACULTY OF BUSINESS & ECONOMICS

MKF2111 · Buyer Behaviour

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Chapter 11 of 12 · MKF2111

Consumer Culture II: Psychographics & Social Influence

This chapter goes beyond demographics to psychographicsvalues, lifestyle (AIO) and personality (Big 5) — and to how people influence each other. It covers influence sources (reach vs credibility), opinion leaders & market mavens, reference groups (aspirational/associative/dissociative), normative vs informational influence, compliance techniques and word of mouth. The oral commonly asks you to name a compliance technique or a reference-group type and apply it to a real campaign.

In this chapter

What this chapter covers

  • 011. Psychographics > demographics: values (enduring beliefs), lifestyle (AIO = activities, interests, opinions), personality
  • 022. Big 5 personality: openness, conscientiousness, extraversion, agreeableness, neuroticism; plus trait scales
  • 033. Influence sources: marketing vs non-marketing; mass-media (high reach, low credibility) vs personal (low reach, high credibility)
  • 044. Opinion leaders & market mavens: filter and transmit product info; high involvement, knowledge, connectivity (modern = influencers)
  • 055. Reference groups: aspirational (admire/want to join), associative (belong to), dissociative (want to avoid)
  • 066. Normative influence: pressure to conform (sanctions/rewards, Asch conformity)
  • 077. Informational influence: influence via decision-useful information (reviews)
  • 088. Compliance techniques (foot-in-the-door, door-in-the-face) and word of mouth
Worked example · free

Oral-exam answer: name the compliance technique and the reference group

Q [5 marks]. A charity wants more monthly donors. It first asks passers-by to 'sign a quick petition,' then later asks petition-signers to 'set up a $10 monthly gift,' and gets a high conversion. (a) Name the technique and the social norm it exploits. (b) Contrast it with the opposite technique. (c) Which reference-group type would amplify it?
  • GOOD: technique + norm namedDEFINE and identify. This is foot-in-the-door: a small initial request (signing) raises compliance with a larger later request (donating), exploiting the consistency norm — people act consistently with their prior commitments.
  • GOOD: opposite techniqueContrast the opposite. Door-in-the-face makes a large request first ('$50/month?') then a smaller, reasonable one ('$10/month?'), relying on reciprocal concession rather than consistency.
  • OUTSTANDING: reference group applied + combined tacticAdd the reference group and IMPLICATION. Framing the ask around an aspirational reference group ('join thousands of changemakers like you') adds normative pull — people want to belong to a group they admire. Implication: combine a foot-in-the-door sequence with aspirational normative framing for the strongest lift.
It is foot-in-the-door (consistency norm); the opposite is door-in-the-face (reciprocal concession); and framing it with an aspirational reference group adds normative pressure to convert.
Sia tip — Name the technique AND the underlying norm (consistency vs reciprocity) — the norm is the CB terminology that pushes the answer above PASS.
Glossary

Key terms

Psychographics
Segmentation by the inner person rather than observable traits: values (enduring beliefs about desirable outcomes), lifestyle (AIO — activities, interests, opinions) and personality (e.g. the Big 5). More precise than demographics for predicting behaviour.
Big 5 personality
Five broad personality traits — openness, conscientiousness, extraversion, agreeableness and neuroticism — used alongside marketing-specific scales (need for cognition, need for uniqueness, optimal stimulation level).
Opinion leader / market maven
Individuals who filter, interpret and transmit product information to others; they have high category involvement, knowledge, social connectivity and credibility. The modern form is the social-media influencer.
Reference groups
People a consumer compares themselves to: aspirational (admired, want to join), associative (already belong to) and dissociative (want to avoid). They vary in contact, formality, attractiveness and tie strength.
Normative vs informational influence
Normative influence is pressure to conform to group norms through sanctions and rewards (Asch conformity); informational influence is influence by providing decision-useful information, such as reviews.
Compliance techniques
Sequential request tactics: foot-in-the-door (a small request first raises later compliance via the consistency norm) and door-in-the-face (a large request first makes a smaller one accepted via reciprocal concession).
FAQ

Consumer Culture II: Psychographics & Social Influence FAQ

Why are psychographics more useful than demographics?

Demographics describe who a consumer is (age, income), but two people with the same demographics can want completely different things. Psychographics describe why — their values, lifestyle (AIO) and personality — which predicts behaviour and ad response far more precisely. The strongest targeting combines both: demographics to reach, psychographics to resonate.

What's the difference between normative and informational influence?

Normative influence changes behaviour through social pressure — you conform to be accepted or to avoid disapproval (the Asch conformity effect). Informational influence changes behaviour by supplying credible information you use to decide, like online reviews. A campaign can use both: social proof ('everyone's switching') is normative; detailed expert reviews are informational.

How do the three reference-group types differ?

An aspirational group is one you admire and want to join (so you adopt its products to signal membership); an associative group is one you already belong to (its norms guide you directly); a dissociative group is one you want to avoid (so you reject its associated products). Marketers attach a brand to an aspirational group and detach it from a dissociative one.

How is this chapter examined?

Often as name-and-apply: identify a compliance technique (foot-in-the-door vs door-in-the-face) and its norm, classify a reference group, or distinguish normative vs informational influence in a real campaign. Word of mouth and opinion leaders/influencers come up as explain-and-apply with the marketing implication.

Study strategy

Exam move

Build a quick-recall list of the named devices in this chapter — the two compliance techniques (with their norms: consistency vs reciprocity), the three reference-group types, and the normative/informational split — because most oral questions here are 'name it and apply it'. Pre-prepare one influencer/word-of-mouth campaign you can describe and one compliance sequence (a charity or subscription funnel) you can dissect. Lead with psychographics over demographics when asked about targeting, and pair them. For the top band, combine constructs (a foot-in-the-door sequence framed around an aspirational group) rather than naming one in isolation, and finish with the marketing implication.

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