Whare are the advantages and disadvantages of using questionnaires?

Whare are the advantages and disadvantages of using questionnaires?

Whare are the advantages and disadvantages of using questionnaires?
The bad:


it is very limited, you dont get full answers or in depth answers


its time consuming, its not cheap well kinda





The Good:


you get your target group, its fast





try surveymonkey.com it tallies up all the results and gives you a % of answers its hard to explain just go check it out
Reply:Advantages - you won't know unless you ask.


Disadvantages - you don't know if people are answering seriously or not.
Reply:you'll only get people with nothing better to do answering them.





and who cares what they think?