David    Silverman
In this major updating of his bestselling, benchmark text, David Silverman walks the reader through the basics of gathering and analyzing qualitative data. The Fourth Edition includes a new chapter on data analysis dealing with grounded theory, discourse analysis and narrative analysis; more worked-through examples of different kinds of data and how to interpret them; a new section on focus groups and interpreting focus group data; an expanded ethics chapter; and more coverage of digital media and photographs as data.
Interpreting Qualitative Data: A Guide to the Principles of Qualitative Research