[Question] What questions relevant to EA could be answered by surveying the public?

Examples of questions that have previously been raised on the Forum, which seem like they could be answered (or significantly informed) by surveys of the general public include:

Note that by referring to “the public” I mostly intend to rule out things like surveying effective altruists or elite policy-makers. I don’t intend to rule out things like surveying current students or highly educated young professionals. Surveying graduates of elite universities would be an edge case.