Online choice experiment, 1,500 respondents, 12,000 choices

Marketing research poster example

A marketing research poster should show what buyers did, not what they said they liked. This A0 landscape board reports an online choice experiment: 1,500 respondents, 8 choice sets each, 12,000 choices between three granola pack designs. The clear window carton won 44% of choices and carries a $1.10 premium.

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The whole board

The poster at full size, exactly as it prints. Every number, citation and caption on it was written for this example, so the layout is being judged on real content.

BBS
Which pack gets picked? Three granola pack designs tested in a 1,500 person online choice experiment
S. Okoye ¹, H. Lambert ¹
1 Consumer Behaviour Group, Brindlemoor Business School
Why test the pack
A pack redesign is often judged by asking a small group which pack they like, and liking is not choosing. This study put three granola packs on a simulated shelf at varied prices and recorded which one each respondent would take. Design A is a matte paper sleeve, B a carton with a clear window, C a foil pouch. References: 1. Varga, E. (2024) Stated choice for packaging decisions. J Consumer Methods 12(2) 77 to 95. 2. Osei, P. and Lund, M. (2025) Window packs and perceived freshness. Packaging and Shopper Review 8(1) 14 to 29. 3. Okoye, S. (2025) Price ladders in online choice tasks. Brindlemoor Working Paper 6.
PROPOSED PROTOCOL
Respondents. 1,500 adults from an online panel who buy breakfast cereal at least monthly, with a quota of 500 in each of three age bands.
Task. 8 choice sets each, every set showing all three packs at prices drawn from four levels between $5.50 and $7.00.
Choices. 1,500 respondents by 8 sets gives 12,000 choices. 112 people who failed an attention check were replaced before analysis.
Premium. Three extra pairs set each design against the plain carton sold today; a conditional logit on pack and price gives the premium.
Reporting. Share of choices by design overall and by age band, and the premium each design carries at the same shelf price.
Three designs compared
Design
Share of 12,000 choices
Premium a buyer will pay
A, matte paper sleeve
29% (3,480)
$0.40
B, carton with window
44% (5,280)
$1.10
C, foil pouch
27% (3,240)
$0.35
All three designs
100% (12,000)
Against a plain carton
Premiums from the conditional logit, in dollars a pack, measured against a plain unbranded carton.
44%
of choices went to design B
5,280 of 12,000 choices; design A 29%, design C 27%
Y
M
O
All
0%15%30%45%60%
Figure 1. Share of choices, per cent: Y aged 18 to 34, M 35 to 54, O 55 plus, then all. Bars left to right: design A, B and C.
Source: online choice experiment, 1,500 respondents, 2026.
Key finding
The window carton wins overall and in both younger bands; buyers over 55 split almost evenly between A and B.
Design B chosen 44% of the time, 5,280 of 12,000 choices
Design B carries a $1.10 premium, almost three times design A
Under 35s pick design B 52% of the time
Over 55s: design A 36%, design B 35%

Block by block

What each block on the board is for, in the order a reader walks it.

Title band and two authors
The title asks which pack gets picked and names the three designs and the 1,500 person experiment.
Why test the pack, with references
Why liking is not choosing, what each design is, and three references. This design has no reference block, so the citations close this section.
Methods
Five entries: respondents and age quotas, the 8 choice sets, the 12,000 choices and attention check, how the premium was priced against the plain carton, and what is reported. The design prints this block under a fixed proposed protocol heading.
Three designs compared
The table: design, share of choices with its count, and the dollar premium. A fourth row totals the choices and names the reference pack.
Key number and Figure 1
The stat block holds 44% for design B. Figure 1 plots share by age band and overall, bars for designs A, B and C in each group.
Key finding and key points
The callout says B wins overall and with younger buyers while over 55s split. Four checked points give the 44%, the $1.10 premium, the under 35 share and the over 55 split.

What makes this board work

The comparison table leads

The widest block on the board compares the three designs on two measures a brand manager acts on: share of 12,000 choices and the premium a buyer will pay. The counts, 3,480, 5,280 and 3,240, add to 12,000.

The age split earns its figure

Overall, design B wins clearly. By age it does not: over 55s chose A 36% of the time and B 35%. Figure 1 shows the three bands next to the total, so the reversal is visible rather than buried.

The shares reconcile across bands

With 500 respondents per band, the overall share is the mean of the three band shares: 22, 29 and 36 average to 29 for design A, and 52, 45 and 35 to 44 for design B.

Questions people ask

What goes on a marketing research poster?

The decision the research informs, the method in enough detail to judge it, the main result as a comparison, and where the result does not hold. For a pack test that means the designs, the choice task, shares and premiums, and the segment that behaves differently, here buyers over 55.

Why use a choice experiment for packaging?

Because it records a trade off. A respondent sees all three packs at varied prices and picks one, eight times, which is closer to standing at a shelf than rating each pack alone. The price variation is what lets the analysis turn preferences into a dollar premium.

How do I show willingness to pay on a poster?

In dollars per unit against a named reference, next to the share. This board lists $0.40, $1.10 and $0.35 against the plain carton already on shelf. A premium without its reference is meaningless, so the table row and the caption both say what the premium is measured against.

Why does the methods heading say proposed protocol?

That heading is fixed by this comparison design and cannot be changed from the content. The experiment on this board is finished and the methods entries describe what was done. If your study is complete and the heading matters to you, one of the other landscape designs prints methods instead.

How many rows fit in this comparison table?

Up to six rows and three columns, including the label column. This board uses four rows, one per design and a total, which leaves room to read each cell from a distance. A study comparing more than six options needs a table led design, which holds up to eight rows and four columns.

Can the figure show a segment that disagrees with the total?

Yes, and it should. Figure 1 sets the three age bands beside the overall share, so the over 55 group, where design A edges design B, sits next to the headline that B wins. The key points repeat it in numbers so nobody misses it.

How should a marketing poster handle an attention check?

State how many failed and what was done with them, in the methods. This board says 112 people failed and were replaced before analysis, so the 1,500 who count all passed. Leaving it out invites the question of whether careless clicking drove the shares, which is the first doubt reviewers raise about online panels.

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Written and checked by the OneCraft team. Last checked .