I would recommend standard qualitative content analysis. The main question is what theoretical perspective to adopt. This will depend on the type an purpose of your study.
I agree with Peter Samuels. You need to figure out what your theoretical framework is in order to determine what you should be doing with the data. Or if you're not trying to test a theory that you already have, then you can use another of different approaches to try to construct theory which you can then test with additional data.
If you haven't already completed your data collection, then Grounded Theory is well suited to this kind of research. In particular, the original studies conducted by Glaser and Strauss were all based on participant observation.
Participant observation is a method of data collection, so I believe the question here is how one should analyze this kind of data -- assuming that the original method for collecting the data was indeed well suited to the research question.
Thank you very much for your help! Let me explain myself better.
David L Morgan and Agnieszka Will geb. Gronek My research questions are:
1. "What is it like for children with motor disability to experience using an exoskeleton that allows them to walk?
2. What is the psychological impact of the experience on the participants?
Peter Samuels The theoretical approach that seemed to me more appropiated to answer this questions was the descriptive phenomenological one.And I'm using Giorgi's methodology to analysed the data collected from the phenomenological interviews made to the participants. Daniel Goldman I'm not trying to test or construct any theory.
Participant Observation was added as a way to make a triangulation of the data to achieve a more complete view and information about the phenomenon of study. I took the field notes with a descriptive perspective, taking notes of everything that happened while the children where using the exoskeleton at their homes.
With this new information in mind, what are your recommendations for me?
Bernard, H. R. (2006) Participant Observation / Field Notes: How to Take Them, Code Them, Manage Them, in Bernard, H.R. (ed.) Research Methods in Anthropology: Qualitative and Quantitative Approaches. Fourth ed. Oxford, UK: AltaMira Press, Chapter 13 / 14, pp. 342-412.
Emerson, R. M., Fretz, R. I. and Shaw, L. L. (2011) Processing Fieldnotes: Coding and Memoing, in Emerson, R.M., Fretz, R.I. and Shaw, L.L. (eds.) Writing Ethnographic Notes. Second ed. Chicago: The University of Chicago Press, Chapter 6, pp. 171-199.
Kawulich, B. B. (2005) Participant observation as a data collection method, Forum: Qualitative Social Research, 6, 2, pp. 1-22. (See: Item 10 - Keeping and Analyzing Field Notes and Writing up the Findings, pp. 15-17).
Merriam, S. B. (1998) Being a Careful Observer, in Merriam, S.B. (ed.) Qualitative Research and Case Study Applications in Education. San Francisco, CA: John Wilkey & Sons, Inc., pp. 94-111.