As there are no means by which member states can require an applicant to carry
out such a test in the absence of a legislative requirement. The desired
improvement in quality has not therefore been realised in practice.
Although little formal user testing has been undertaken on patient information
leaflets within the UK, where this has been done the resulting information has
been of a much higher quality. The results of user testing have demonstrated that
patient involvement is key to the production of information leaflets which address
the concerns raised by patients themselves and the organisations which
campaign on their behalf.