Survey analysis

Pitfalls of “don’t know/no opinion” answer options in surveys


In this new blog article we dig deeper into the use of the “don’t know” and “no opinion” (“DK/NO”) answer options in closed questions. After all, there is some debate in the scientific literature on whether to include or omit them. After extensively discussing the pros and cons of adding/omitting these answer options, we will provide you with some recommendations on how to deal with these answer options.

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Net Promoter Score (NPS) – Everything you need to know in 14 slides.

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We often receive questions from our visitors and customers about Net Promoter ScoreSM (NPS®). Our NPS article was already viewed more than 50,000 times. We decided to make it even easier to understand Net Promoter Score (NPS) by making a clear presentation explaining all the basics of NPS in 14 slides.

In the Net Promoter Score presentation we cover all the frequently asked questions about Net Promoter Score. We start off with “What is the Net Promoter Score?”. The Net Promoter Score formula answers “How to calculate NPS?”. “Why use NPS?” is answered in four lines and subsequently we tell you the answer of “What is a good NPS for you?”. When you understand the basics, you want to know how to improve Net Promoter Score. We covered it. We also added some critical remarks to help you fully understand the purpose of NPS. Finally, you can view the whole NPS-package in one conclusion slide supported by a clear flowchart how to organize your follow up. View our Net Promoter Score presentation below.

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