Thanks to Michelle O’Reilly (2012) I have a clearer understanding of the difference between theoertical saturation and thematic/data saturation.
May I ask how descriptive saturation fits in with the above? Is it an accepted method?
O’Reilly, M. and Parker, N., 2012. “Unsatisfactory Saturation”: a critical exploration of the notion of saturated sample sizes in qualitative research. Qualitative Research, [online] 13(2), pp.190–197. Available at: <http://qrj.sagepub.com/cgi/doi/10.1177/1468794112446106>