In a recent webinar, Aaron Platshon said in regard to survey length: “Eight minutes is the new ten minutes.” The advice had been to shorten surveys to ten minutes, but that’s no longer good enough.
Grid or matrix questions are a concise technique for visually representing a series of items to be rated on a common scale. Unfortunately, grid questions raise a number of issues.
Sometimes you have to say “No” to yes/no questions! While such questions are easy to write, they are not right for every task.