Consumer opinion of care in outpatient departments is increasingly see
n as an important measure in the process of quality assurance. However
, there are many ways of measuring consumer opinion. The aim of this s
eries of studies was to compare different methods so as to throw light
on when and where to use them. What is revealed is that there is no o
ne right answer; instead, a combination of methods will allow the deve
lopment of a balanced view of consumer opinion and an agenda for actio
n.