continually moving between the research and literature to develop and refine his argument. References Ferguson, C. and Mckillop, D. (1997) The Strategic Development of Credit Unions, Chichester. Wiley. Lee, B. and Brierley, J.A. (2017) 'UK government policy, credit unions and payday loans', International Journal of Public Administration, Volume 40, Issue 4, pp. 348-360. Lee, B. & Saunders, M.N. K. (2017) Conducting Case Study Research, London: Sage Polanyi, M. (1966) The Tacit Dimension, Chicago; University of Chicago Press. Questions 1 What methods of data collection did Josef employ? 2 How was Josef's approach to a case study different from a conventional or orthodox approach? 3 Will Josef be able to 'generalise' his findings to other credit unions? Does it matter whether he can or cannot do so? 4 Did Josef apply for ethical approval for his study at the correct point and what should he Send message have done when changing his research question? O