For a short talk on credible qualitative research by the management researcher Prof. Catherine Cassell go to:

www.youtube.com/watch?v=N_nEgHq5DNk&feature=relmfu

What exactly do we mean by ‘validity’? In this paper, Cho and Trent (2006) review various meanings and argue for a ‘process-oriented’ version:

http://qrj.sagepub.com/cgi/reprint/6/3/319

The following paper, by Hannah and Lautsch (2010), reviews why counting is a controversial issue in qualitative research in business studies and explains how this controversy creates ‘multiple audience problem’ for qualitative researchers. It goes on to identify the purposes that can be served by four different types of counting:

http://jmi.sagepub.com/content/20/1/14.full.pdf+html