Panel research has as work tool a journal, filled out daily by the participant in the study.
Notes from the journal allow us to observe the in time dynamics and evolution of certain attitudes, behaviors, ways of thinking.
Journal is part of everyday life of participants, during which they are in their usual environment and practical activities. Panelists are asked to fill it out once they took part in certain activities. A journal predispose for opening, sincere thoughts . All notes are then analyzed thoroughly by a group of experts.
The survey is conducted normally in a few waves to be observed the behavior evolution of subjects, phenomena that take time to manifest.
The optimum number of participants in such a study is 10-12 persons.