Discuss the research foundations of this, and touch on cogsci and physiology. Use the proper section with the bones in the hand and so on. Segue with the fact that this is going to be permanent or very long term findings as people don't change.

How we are bad at self-reporting. We should know this from our general mistrust of using market research and surveys for usability and design, but still we fall into the trap. This is very much what caused me to do all this research originally: people who should know better regularly going off on how they use their phone, without a hint that they might be wrong as we have many biases. In my observations, people simply cannot observe themselves at all while deeply involved in another activity. Deeply involved in their phone, they do not see that they have changed their grip, and asking them to hold in different ways to get the source photos for all these drawings was almost impossible...

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