Quick answer: Yes, if you separate a stable core from a flexible module. Keep the core questions, wording, order, audience definition and quotas the same every wave. Put new or outdated items in a module after the core. If you must change a core question, ask the old and new versions together for one wave so you can bridge the two, and mark the break clearly in your reporting.
Markets move. New brands arrive, new channels matter, and some of the statements in your questionnaire start to sound dated. A list of reasons for choosing a product that made sense when the tracker was designed may now miss what people actually care about, such as convenience or availability on online marketplaces.
The tension is that a tracker is valuable because it is consistent. Change too much and wave-on-wave figures stop meaning anything. Change too little and the tracker slowly stops describing the market. The answer is structure, not freezing everything.
The core is the set of measures you trend over time and report to leadership. Protect it.
| Element | Keep fixed | Safe to change |
|---|---|---|
| Funnel questions | Awareness, consideration, usage, preference wording and order | Adding a new brand to the list |
| Audience | Who qualifies and how you screen | Nothing, unless you note a break |
| Quotas | Targets and definitions | Small tuning within the same logic |
| Brand statements | A core set of agreed statements | Rotating extra statements in a module |
| Reporting | Metric definitions and base rules | New cuts, extra charts |
Think of the core as a contract. Any change to it needs a reason, a record and a plan for comparing before and after.
Do not swap it silently. A statement that moves from a core list to a new wording will change the results, and you will not know whether the market moved or the wording did.
Where you only want to add something, put it in a module after the core questions. Respondents answer the core first, so the new items cannot influence it.
Questions are not the only risk. Several quieter changes can move your numbers without anyone touching the questionnaire.
If the average number of items selected suddenly rises or falls, check the list before you explain it as a market shift. A shorter list often produces fewer selections for purely mechanical reasons. Our guide to the signs a Malaysia brand tracker uses the wrong metrics covers related traps.
Not every movement is real. As a rough norm, with a base of around four hundred, a figure near the middle of the range carries a margin of error of about five points either way. A change of two or three points between waves is therefore often within noise.
For choosing the right measures in the first place, see how to choose a brand health tracking platform in Malaysia and what Malaysian brands should check in brand trackers.
A light review once a year is a sensible habit. Look at which statements still discriminate between brands, which brands and channels need adding, and which items nobody selects any more. Make changes in one planned refresh wave rather than gradually, so there is a single break in the series instead of several.
A tracker is a repeat survey, so the workflow matters as much as the design. We build Vase.ai so you can reuse the same questionnaire and quota set-up every wave, run it yourself or with research experts alongside you, and see results in a real-time dashboard as responses land.
When it is time to refresh, research experts can help you design the bridging wave, keep the change log and mark the break in your reporting, so the series stays trustworthy while the questionnaire moves with the market.
How many questions should stay fixed in a tracker?
Keep every question that feeds a headline metric, typically the funnel and a limited set of brand statements. Everything else can sit in a rotating module. The exact number matters less than agreeing in advance which questions are core.
What is a bridging wave?
A bridging wave asks the old and new versions of a question in the same wave, either of everyone or of two matched halves of the sample. It lets you measure the effect of the change itself so you can link the old and new series.
Should I change my sample source mid-tracker?
Avoid it if you can. If you must, run the old and new sources side by side for a wave and compare, so you know how much of any later movement comes from the source rather than the market.