Part of my duties at my job are to take meeting minutes, which are then uploaded and shared within the Organization and throughout the State. The previous tech writer made a hard-to-read table, where all the gridlines were visible; your basic unformatted Word table. They used an X to mark who was present.
I was given the freedom to create a fresher, cleaner template with hidden lines and zebra stripes. I also use a checkmark next to who was present.
This led to a conversation with a friend and fellow tech writer who said they always use an X to mark who is present. I associate that with "no", "negative", "not present". Whenever I encounter checkbox on a paper form, I've always used a checkmark instead of an X.
My question is, what is the best approach to indicating whether or not someone is present? A more concrete example is if you were creating a webpage that compared features between 2+ products, and you wanted to indicate Product B had features that Product A did not, aside from a bullet, would you use a check or X to say that feature was included?