The TPs were divided in two groups of four people,
one for each test area, performing one navigation task
with each of the selected navigation apps. Each test
session was starting with the TPs trying to orient
themselves without using any street names.
Afterwards they were selecting and following the shortest
route to their first destination using the first app.
When reaching it, they were doing the same with the
second app, targeting the second destination. The order
in which each app was used was inversed every time to
reduce possible bias.
The test methodology consisted of a questionnaire,