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  • A Researcher’s Guide to Mystery Shopping
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    A Researcher’s Guide to Mystery Shopping

    Mystery Shopping is a covert participant observation that aims to recreate the customer experience or to measure the service quality.

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  • A Researcher’s Guide to Online Focus Groups

    A Researcher’s Guide to Online Focus Groups

    Very often, we got asked how traditional focus groups can be shifted to an online methodology.

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  • How can algorithms help us to improve data quality?

    How can algorithms help us to improve data quality?

    In this article, we’d like to explore application fields for algorithms to help us improve our data quality.

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  • Feasibility and Panel Size: How Big is Big Enough?

    Feasibility and Panel Size: How Big is Big Enough?

    We’re frequently asked how to calculate the feasibility of research projects with our online panels. Are the panels big enough to cover a required…

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  • Five Basic Principles for Writing Good Questionnaires

    Five Basic Principles for Writing Good Questionnaires

    At Norstat, we have seen all the common mistakes in questionnaire design, regardless whether they were telephone, face-to-face or online interviews.

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