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following order: legend, scales, data source logos, and map tutorial. After
accessing the three websites the users' perceptions about the importance of
the trustee attributes changed to: legend, logos, map size, tutorials, colours
and scales.
was the ENM legend, which participants found easier to understand, as it
explains base map features and it looks professional. For the LAQN legend
most users commented that they could not understand it, thus they did not
trust it.
Figure 8
: LP, ENM and LAQN legends (from left to right).
The least trusted website for logos was LP, which does not list the pro-
vider's logo on the map's page. Participants commented that the logo
should be more obvious. An interesting finding is associated with the map
size. First, the users' perceptions about the importance of map size
changed after accessing the applications. Moreover, although the first
impression of LP's map size was negative, at the end of the test the users
liked and trusted it the most. LAQN, with the smallest map size, was not
liked and trusted.
The existence of different scales was considered as particularly important
in both the online survey and the pre-test questionnaire. However, after
accessing the applications the users thought that it was the least important
trustee attribute. The most liked and trusted website in terms of scales pro-
vided was LP, which uses Google API, while LAQN provides only two
scales and was criticised as
“useless”
. No map tutorials are provided, but
ENM and LAQN provide textual information for the maps and the data.
