Have you seen surveys where every question, no matter how trivial, is on a different page?  Or how about surveys that are just a single long page with many questions? Neither approach is optimal.  They don't look great to your primary customer — the survey taker — perhaps reducing your response rate. What's more, you may be limiting your options for effective survey logic. Every question on a new page The survey taker has to check the "Next" button too many times, with each [...]

Showing question answers in a random order reduces the risk of bias from the position.  

To understand this, think of what happens when you are asked to choose a question by a telephone interviewer.  When the list of choices are presented for a single choice question, you might be think of the first option as more of a fit, or perhaps the last option is top-of-mind.   The problem is even more acute when the person answering the survey has to comment on each [...]

A survey should aim to be like a conversation.  Online surveys don’t have humans involved to listen to how someone feels about the survey, to reword for clarity or to encourage, so you have to work harder to generate comfort.  Although you don’t want to take too long (the number one complaint of survey takers is time), it is still better to work up to the key questions gradually if possible.  Even though it might be the burning issue for you, you risk turning someone off if [...]