The University of Melbourne · FACULTY OF MARKETING

MKTG90008 Chap.9 Reference Groups and Social Influence

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Chapter 9 of 12 · MKTG90008

Reference Groups and Social Influence

Reference Groups and Social Influence connects three subject-supported ideas: normative influence, informational influence and identity and comparison. The chapter does not treat them as interchangeable labels. It asks what each idea identifies, how the relationship operates in a bounded setting and what evidence would make the resulting judgement more or less credible.

That order is important because a memorised definition can be correct while the application built from it is wrong.

The practical objective is to specify who influences whom, through which mechanism and in what setting. A useful starting note has four columns: observed condition, concept, mechanism and consequence.

The observed condition comes from the question or evidence; the concept supplies a disciplined category; the mechanism explains the link; and the consequence states why a decision maker should care. If one column is empty, further description will not fix the missing reasoning.

normative influence provides the first lens. Define its object, scale and context before attaching an evaluation.

Ask what is being counted, classified or interpreted and whose position is represented. This avoids a common error in which the same word shifts meaning between the opening definition and the final recommendation. A stable definition makes later comparison possible without pretending the concept is universal.

informational influence supplies the connecting logic.

Rather than writing that it is important, state what changes, through which process, over what interval and for whom. That sentence generates an evidence plan: one piece of evidence should establish the starting condition, one should test the process and one should show the relevant outcome.

Repeated descriptions of the starting condition do not corroborate the process.

identity and comparison provides a test or consequence. Use it to compare cases, expose a trade-off or identify a stakeholder whose result differs from the average. The comparison should be chosen before the conclusion, because a comparison invented after the fact tends to defend the preferred answer.

A disciplined comparison can support the claim, narrow it or show that a different mechanism is more plausible.

The chapter application is completed only when evidence changes an action. Write the recommendation with an actor, an action, a reason and a review signal.

The actor identifies responsibility; the action makes the advice operational; the reason points back to the mechanism; and the review signal specifies what future observation would trigger adjustment. This structure works for reports, cases, oral explanations and timed responses.

Accuracy also requires a boundary: social visibility does not prove that a reference group caused the choice.

Keep that sentence visible beside notes and model answers. It prevents a subject concept, published at one level of generality, from being converted into an unsupported claim about a person, organisation, population or assessment rule.

Where a live task brief adds constraints, the live brief controls the operation while this guide continues to support the underlying reasoning.

Study this chapter through retrieval and transfer. First reconstruct the three ideas and their analytical jobs without notes. Next explain the mechanism aloud in plain language. Then apply it to a changed scenario and deliberately look for a counter-case.

Finally compare the result with the source material and record what the correction reveals. Fluency is useful only when it remains source-controlled and adaptable.

Keep a chapter-specific error log rather than a generic list of weak habits.

When a response goes wrong, classify the failure: was normative influence undefined, was the link through informational influence asserted instead of explained, or was identity and comparison omitted when the conclusion needed testing? Rewrite only the defective move, then rerun the same reasoning on a different example.

Over time the log should record the trigger, the mistaken inference, the corrected mechanism and the evidence that distinguishes them. This turns feedback into a reusable diagnostic and prevents the same conceptual error from reappearing under new surface details.

In this chapter

What this chapter covers

  • 01

    normative influence

  • 02

    informational influence

  • 03

    identity and comparison

  • 04

    Evidence and mechanism

  • 05

    Boundary and transfer

Worked example · free

AskSia practice: apply Reference Groups and Social Influence

Q [4 marks]. AskSia-authored four-point reasoning drill: how should a student specify who influences whom, through which mechanism and in what setting? This is not a University question or marking scheme.
  • 1Define normative influence in the scenario.
  • 1Explain the mechanism using informational influence.
  • 1Test the conclusion with identity and comparison.
  • 1State a qualified decision and review signal.
A strong response identifies the relevant evidence, uses informational influence as the explanatory link and tests the recommendation through identity and comparison. It ends by stating that social visibility does not prove that a reference group caused the choice.
Sia tip — The four points are AskSia-authored practice weighting only.
Glossary

Key terms

normative influence
The first analytical lens used in Reference Groups and Social Influence.
informational influence
The relationship or process that connects evidence to the explanation.
identity and comparison
The comparison, consequence or control that tests the conclusion.
FAQ

Reference Groups and Social Influence FAQ

What is the central move in Reference Groups and Social Influence?

Specify who influences whom, through which mechanism and in what setting.

What should be qualified?

Social visibility does not prove that a reference group caused the choice.

Are the practice prompts official?

No. They are independently authored for study and are labelled accordingly.

Study strategy

Exam move

Retrieve normative influence, informational influence and identity and comparison; explain their relationship; apply them to a changed scenario; then audit the result against the source and the boundary statement.

Working through Reference Groups and Social Influence in MKTG90008? Sia is AskSia’s AI Marketing tutor — ask any MKTG90008 Reference Groups and Social Influence question and get a clear, step-by-step explanation grounded in how MKTG90008 is taught and assessed. Read this chapter free, then take your hardest questions to Sia.

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