The first step is to identify the most important categories, which, in turn,
can be divided into groups
The data can be classified according to these
categories, the nature of which will depend on the type of study and the interests at stake.
They can refer to the perspectives of a particular problem, to certain activities and
events, relationships between people, situations and context, behaviors,
etc., example: when conducting an investigation using this technique, the first thing
did was collect the opinions of all fourth-year students on problems of
the school that concerned them, while being observed in class and at recess. The
first task was to identify what these problems were and recognize their elements
most important components