We evaluated the prototype in a field experiment
over a time period of four days, where the participants
were asked to solve a specific task with the help of
Alan. The participants were between the age of 21 and
33 and students (undergraduate, graduate and postgraduate)
of different field of studies, including
information technology, business economics and
engineering. Five participants were female and nine
were male. Various tasks were issued to the
participants, who were then asked to choose one task.
The defined tasks were of different topics to avoid any
need for specialist knowledge. For example, tasks such
as: “How can we make children eat more fruit and
vegetables?” and “How can we establish better
recycling habits?” After introducing the participants to
the system, they worked over a period of four days in