I think the questions of the next survey should be a superset of those on the last survey. Maybe not strictly, but it’s too interesting to track year-on-year changes to remove questions unless it’s really unquestionably obvious that they’re superfluous.
I think the questions of the next survey should be a superset of those on the last survey. Maybe not strictly, but it’s too interesting to track year-on-year changes to remove questions unless it’s really unquestionably obvious that they’re superfluous.