How long is too long?
This is a question being asked more frequently in market research circles. It is certainly a topic I have devoted much time to, for the simple reason that lengthy and complex surveys make it more difficult for all researchers to collect valid and reliable data. I delve deeper into this topic in another recent post: Keep it short and simple.
How long should a survey be? Surveys range from the quick poll with one question to 30-minute marathon exercises which try....