Goal
Gather user needs, thoughts, opinions or feelings from a large group of people.
What
A list of questions aimed for extracting specific data from a particular group of people.
Where
Anywhere online on a (personal) device or on a printed document
Who
Population or a representative sample of the population, researcher
How
Using open-ended questions and/or close-ended questions
Pros
inexpensive
quick
anonymity
broad range
Cons
validity and reliability
nonresponse
survey response effects
response instability
