University of Technology Sydney · FACULTY OF MARKETING

24109 Chap.4 Consumer Decision and Behaviour

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Chapter 4 of 9 · 24109

Consumer Decision and Behaviour

Define consumer decision process

The course material gives this chapter a concrete anchor: Week 3 separates stages of the decision process from internal and external influences.

That consumer decision process anchor controls how involvement is explained and how social influence is tested in changed practice.

Consumer Decision and Behaviour frames a decision through consumer decision process, involvement and social influence.

The objective is to explain a consumer response using decision stage, involvement and influence, so the chapter should be read as a chain from problem definition to evidence, option comparison and accountable action.

Start with consumer decision process and name the decision owner, affected stakeholders and time horizon.

The same consumer decision process fact can matter differently across those positions, so the opening frame determines which evidence is relevant.

Use involvement to explain how the present condition produces an opportunity, cost or risk.

A strong involvement mechanism states what changes, for whom and through which organisational, market or institutional process.

Trace involvement

Apply social influence when comparing options. Keep the social influence criteria distinct, test trade-offs and ask which assumption drives the recommendation.

A score or matrix helps only when its criteria are justified by the case.

For the application — explain a consumer response using decision stage, involvement and influence — finish with an actor, action, rationale and review trigger. This turns the social influence analysis into a recommendation while keeping the decision open to new evidence.

Build a decision ledger.

Separate the current condition, the stakeholder affected, the evidence supporting consumer decision process, the mechanism represented by involvement and the criterion supplied by social influence.

If a social influence recommendation cannot point back to one of those entries, it is probably preference dressed as analysis rather than a consequence of the case.

Compare at least two feasible options against the same criteria. State who benefits under social influence, who bears cost or risk, what capability implementation requires and what evidence would reveal failure.

This comparison is essential when students need to explain a consumer response using decision stage, involvement and influence, because an attractive option is not defensible until its trade-offs are visible.

Test with social influence

Rehearse the 24109 consumer decision process response as a short briefing: one sentence for the decision, two for the evidence and mechanism, one for the alternative and one for the qualified recommendation.

Then expand only the involvement move that needs more support. This protects the argument structure under a strict word or time limit.

A complete response should make the task visible before the detail: identify what must be decided, define the relevant terms, connect the evidence to involvement, and use social influence to test the result.

The final sentence about social influence should answer the question actually asked rather than merely repeat the topic.

The controlling limit is specific: Observed purchase or sentiment does not by itself identify the psychological mechanism.

Keep that social influence limit beside the worked example, because it separates a careful 24109 answer from one that sounds confident but claims more than the task or evidence supports.

For revision, retrieve consumer decision process, involvement and social influence without notes, explain their relationship aloud, then complete a changed version of the application: explain a consumer response using decision stage, involvement and influence.

Record the first failed involvement reasoning move and repair it before attempting another case.

In this chapter

What this chapter covers

  • 01

    consumer decision process

  • 02

    involvement

  • 03

    social influence

  • 04

    Applying consumer decision process

  • 05

    Limits of involvement and social influence

Worked example · free

Explain abandoned comparison

Q [4 marks]. AskSia-authored practice. Shoppers view three laptop pages but leave without buying. Build a cautious consumer-behaviour explanation.
  • 1Locate the behaviour at information search or alternative evaluation.
  • 1List perceived risk, complexity and social proof as testable mechanisms.
  • 1Choose evidence that could distinguish price, fit and trust explanations.
  • 1Recommend one low-risk experiment.
The retailer should treat abandonment as incomplete evaluation, test clearer comparison and credible review evidence, and compare behaviour by traffic source before attributing it to price.
Sia tip — Behaviour locates the stage; it does not settle the cause.
Glossary

Key terms

consumer decision process
The sequence of need recognition, information search, evaluation, purchase and post-purchase response. This chapter uses the concept when students explain a consumer response using decision stage, involvement and influence. Use this definition when the task is to explain a consumer response using decision stage, involvement and influence.
involvement
Personal relevance and perceived risk that affect the effort invested in a decision. It helps explain the reasoning required to explain a consumer response using decision stage, involvement and influence. Use this definition when the task is to explain a consumer response using decision stage, involvement and influence.
social influence
Effects of reference groups, culture and interpersonal signals on consumer interpretation and choice. Its limit matters because observed purchase or sentiment does not by itself identify the psychological mechanism. Use this definition when the task is to explain a consumer response using decision stage, involvement and influence.
FAQ

Consumer Decision and Behaviour FAQ

What is the main task in Consumer Decision and Behaviour?

Explain a consumer response using decision stage, involvement and influence.

How do consumer decision process and involvement work together?

Use consumer decision process to establish the object or condition, then use involvement to explain how it changes the outcome being analysed.

What must a 24109 answer qualify here?

Observed purchase or sentiment does not by itself identify the psychological mechanism.

How should I revise Consumer Decision and Behaviour?

Retrieve consumer decision process, involvement and social influence, apply them to a changed case, and correct the first point where the evidence no longer supports the conclusion.

Study strategy

Assessment move

Reconstruct the relationship among consumer decision process, involvement and social influence; complete the chapter application without notes; then test the result against this limit: Observed purchase or sentiment does not by itself identify the psychological mechanism.

Working through Consumer Decision and Behaviour in 24109? Sia is AskSia’s AI Marketing tutor — ask any 24109 Consumer Decision and Behaviour question and get a clear, step-by-step explanation grounded in how 24109 is taught and assessed. Read this chapter free, then take your hardest questions to Sia.

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