Parallelly to this course in Ubiquitous Computing we've studied a course
in Design Methodology. The methods being used in the iBrush project will
become a report in the course Design Methodology. We here present some
of the major methods in our work with developing iBrush.
The development cycle
The developing process of iBrush can be divided inte four stages: generating
ideas, development of concept, prototype and evaluation. During the stages
we've used different methods and some of them are presented here.
Generating ideas – We did methods like Brainstorming and
Relabelling. When doing Interaction Relabelling every group member
brought a thing to discuss around in order to get new approaches and other
use areas (see picture with keyboard, shoe, toothbrush and bottle opener).
The method gave us a lot of good ideas and it was here that the music
toothbrush idea arised.
All the ideas were written down on Post-it papers and later on structured
by the method Affinity Diagram and MindMap. We've picked out the five
best ideas and wrote scenarios to them.
Development of concept – in order to
find out how children brush their teeth we did observations of four children
brushing their teeth. We wanted to see how they move the toothbrush in
their mouth and with which tempo the brushing is conducted. We also wanted
to see if there occurred other activities during the brushing and if the
children experience brushing as a joyful task. When the children brushed
their teeth we saw that their brushing tempo and the brush movements were
not as developed as the adults ones. They didn’t brush with the
same high speed as an adult does.
We also did a small poll to parents where we asked about their children's
tooth brushing habits. With this data collections we got deeper knowledge
of children's brushing.
Prototyping – the major stage was the prototyping stage.
We started early to test different technologies like accelerometer for
example. We searched information about those technologies, did programming
in Java, serial communication, radio communication, structure of the website
and layouts for the toothbrush tubes.
• Evaluation – later in the project we did
an evaluation with three children from our target group. We wanted to
base our design choices on what they liked. You can read more about the
evaluation under the link User testing.