# Genesis of the Kano model {% hint style="warning" %} This section is not ready yet {% endhint %} ## Frustration ## The two-factor theory comes from quality management, Also mention that quality management used to be seen as the discipline of finding stuff that doesn't work and resolving problems while Kano looked at what could attract customers. but immediately also published in marketing journals (Hartmann and Lebherz 2016) Something about the model's validity? Does Martensen and Grönholdt 2017 have something on that? --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://kano-model.proofofthepudding.be/history-of-the-kano-model/genesis-and-evolution-of-the-kano-model.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.