Multi-code (market research)

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Multi-code (market research)

In market research, a multi-code response refers to a question in which the respondent may choose more than one answer from a pre-defined list.

Multi-code lists are useful where decisions or behaviours are likely to be influenced by more than one factor. For example, when shopping for a new pair of shoes, purchase decisions are often influenced by a variety of considerations such as price, design, comfort, brand etc.

Therefore, using a multi-code question can provide a broader understanding of purchasing behaviours by highlighting all possible drivers behind the decision (or purchase in this example). Questions like this are clearly defined in all questionnaires where they are utilised, and respondents are directed with specific instructions such as ‘Please select all that apply’ to ensure they understand they are able to select more than one answer option.

When it comes to analysis of multi-code questions, it is typically based on frequency of selection and reported as a percentage of respondents who selected each answer option. As respondents are able to select more than one answer option, questions like this do not provide insight into mutually exclusive preferences.

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