Cooper (Ed.), APA Handbook of Research Methods in Psychology (vol.2) (pp. Thematic analysis is a method of qualitative data analysis that was first described in the 1970s (Joffe, Harper and Thompson (eds), Qualitative Research Methods in Mental Health and Psychotherapy: A Guide for Students and Practitioners, Wiley-Blackwell, 2012) but became more prominent at the end of the 1990s with researchers such as Boyatzis ( 1998) and Hayes ( 1997) (as cited in Braun, V., & Clarke, V.